| Date | Title | Provider |
| 2009 |
United States Biomass Resource Assessment
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| National Renewable Energy Laboratory NREL |
| 2007 |
Monthly and annual average solar resource potential for 48 Contiguous United States.
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| National Renewable Energy Laboratory NREL |
| 2003 |
Wind Resource maps (50 m) for Delaware, Maryland, North Carolina, New Jersey, Pennsylvania, Virginia, and West Virginia - jpeg format
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| National Renewable Energy Laboratory NREL |
| 2003 |
Annual average wind resource potential of the mid-Atlantic United States at a 50 meter height.
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| National Renewable Energy Laboratory NREL |
| 2014 |
This dataset represents a snapshot of forest fragmentation on state forest land as of December 31, 2012. The data was derived from the Bureau of Forestry’s fragmentation analysis in the April 2014 Shale Gas Monitoring Report using the University of Connecticut’s Landscape Fragmentation Tool (LTF) v 2.0 and the Bureau of Forestry’s data. The results categorize state forest land into: 1) small core patches less than 100 hectares, 2) Medium core patches with an area between 100 and 200 hectares, 3) Large core patches greater than 200 hectares, 4) Non-forested area, 5) Forest Edge, 6) Perforated forest, and 7) Patch forest. The default 100 meters was used to define forest edge. The fragmentation model considers all changes and is not limited to just shale gas activities (non-shale gas related changes do affect the results of this analysis too). April 2014 Shale Gas Monitoring Report Fragmentation
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
This dataset represents a snapshot of forest fragmentation on state forest land prior to shale-gas development (pre-2008).
The data was derived from the Bureau of Forestry’s fragmentation analysis in the April 2014 Shale Gas Monitoring Report using the University of Connecticut’s Landscape Fragmentation Tool (LTF) v 2.0 and the Bureau of Forestry’s data. The results categorize state forest land into: 1) small core patches less than 100 hectares, 2) Medium core patches with an area between 100 and 200 hectares, 3) Large core patches greater than 200 hectares, 4) Non-forested area, 5) Forest Edge, 6) Perforated forest, and 7) Patch forest. The default 100 meters was used to define forest edge. The fragmentation model considers all changes and is not limited to just shale gas activities (non-shale gas related changes do affect the results of this analysis too). April 2014 Shale Gas Monitoring Report Fragmentation
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
State forest roads impacted by shale gas development as of December 31, 2012. This dataset was used in part to develop the Bureau of Forestry’s Shale Gas Monitoring Report (released April 2014). This data represents primarily State Forest managed roads impacted by shale gas development as of 12/31/2012. This data was based on the best available information at the time and may contain errors or omissions. April 2014 Shale Gas Monitoring Report Infrastructure
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
Infrastructure pad sites on state forest land as of December 31, 2012. This dataset was used in part to develop the Bureau of Forestry’s Shale Gas Monitoring Report (released April 2014). This feature class represents any pads related to gas development and is not limited to natural gas wellhead pads only. The Bureau of Forestry considers any hardened non-linear surface related to shale gas development to be a pad for monitoring purposes. This feature class contains the best available data as of 12/31/2012. Pad Type Code Values: 1=Gas Well, 2=Road ROW, 3=Pipeline, 4=Compressor, 5=Freshwater Impoundment, 6=Water Withdraw, 7=Storage, 8=Stone Pit/Quarry, 9=Meter/Valve/Tap, 10=Monitoring, 11=Oil Well, 12=Oil and Gas Well. April 2014 Shale Gas Monitoring Report Infrastructure
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
Limits of Clearance (LOC) for infrastructure development of shale gas activities on state forest land as of December 31, 2012. This dataset was used in part to develop the Bureau of Forestry’s Shale Gas Monitoring Report (released April 2014). This dataset is intended to represent areas where vegetation would be removed or altered due to shale gas development. This area tends to be equal to or less than DEP permitted Limits of Disturbance (LOD). The permitted LOD can include erosion & sedimentation measures that do not impact surface vegetation (such as silt sock). LOC typically include the area where gas infrastructure is developed such as roads, pads and pipelines and the additional workspace cleared for the project. Shale gas related development projects tend to be adjacent to each other and could possibly be attributed to several types of development (pads, roads, pipelines). The individual features have been arbitrarily assigned to a single type of development to avoid counting the same areas several times. Portions of the LOC may be reclaimed or allowed to revert back to natural vegetation within the near future, and is therefore not necessarily an accurate measure of vegetated areas permanently converted to non-vegetation. This data is an estimate of the area that was cleared for a shale gas related project. There may be inaccuracies in the vector or attribute data. This data is intended for demonstration, monitoring, planning, educational, and research purposes only.Project Type Code Values: 1=Gas Well, 2=Road ROW, 3=Pipeline, 4=Compressor, 5=Freshwater Impoundment, 6=Water Withdraw, 7=Storage, 8=Stone Pit/Quarry, 9=Meter/Valve/Tap, 10=Monitoring, 11=Oil Well, 12=Oil and Gas Well. April 2014 Shale Gas Monitoring Report Infrastructure
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
Ownership data used in the generation of the Bureau of Forestry’s Shale-Gas Monitoring Report (April 2014). This dataset was used in part to develop the Bureau of Forestry’s Shale Gas Monitoring Report (released April 2014). Representation of mineral rights, leased tracts, etc. on lands managed by the Bureau of Forestry as of December 31, 2012. Updates to this dataset are ongoing and this data is not intended to be a legal representation of ownership. This data may contain inaccuracies or incomplete information. This dataset includes ownership information where a "tract" number has been assigned by the Bureau of Forestry (leased tracts and severed rights lands where the ownership of said rights has been verified). This dataset was created from several different datasets of unknown lineage. The boundaries do not exactly match the Bureau of Forestry’s state forest boundary data. It is an estimate of the boundaries only and is not intended to be a legal description or depiction of boundaries. This data may contain inaccuracies or incomplete information. April 2014 Shale Gas Monitoring Report Infrastructure
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
Pipelines permitted through a DCNR natural gas lease or developed on state forest lands where DCNR does not own the mineral rights. This dataset was used in part to develop the Bureau of Forestry’s Shale Gas Monitoring Report (released April 2014). This dataset represents pipelines where construction has been started or completed before December 31, 2012 and permitted through a DCNR natural gas lease or developed on state forest lands where DCNR does not own the mineral rights.Pipeline Type Code Values: 1=Gathering, 2=Marketing, 3=Water, 4=Other or Unknown, 5=Meter/Valve/Tap, 6=Trunk. April 2014 Shale Gas Monitoring Report Infrastructure
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
The expected recreation experience and characterization of wild character that users can expect to find on the state forest system as of December 31, 2012. This dataset was used in part to develop the Bureau of Forestry’s Shale Gas Monitoring Report (released April 2014). The Bureau of Forestry uses a modified version of the Recreational Opportunity Spectrum (ROS) to estimate the wild character of state forest land and the experience that recreationists can be expected to find in different portions of state forest system. This dataset represents the excepted ROS experience as of December 31, 2012. The Bureau of Forestry’s ROS zones are defined as: Primitive: greater than 1,000 acres and more than 1 mile from motorized roads, trails, and railroads. Semi-Primitive: greater than 500 acres and more than 1/2 mile from motorized roads, trails, and railroads.Semi-Primitive Non-motorized: greater than 250 acres and more than 1/4 mile from motorized roads, trails, and railroads.Semi-Developed and Developed (Other Zones): No minimum size or remoteness criteria. The ROS model considers all changes. Non-shale gas related changes do affect the results of the analysis. April 2014 Shale Gas Monitoring Report ROS
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| Pennsylvania Department of Conservation and Natural Resources |
| 2014 |
The expected recreation experience and characterization of wild character that users can expect to find on the state forest system prior to shale-gas development (pre-2008). This dataset was used in part to develop the Bureau of Forestry’s Shale Gas Monitoring Report (released April 2014). The Bureau of Forestry uses a modified version of the Recreational Opportunity Spectrum (ROS) to estimate the wild character of state forest land and the experience that recreationists can be expected to find in different portions of state forest system. This dataset represents the excepted ROS experience prior to Shale-Gas development (pre-2008). The Bureau of Forestry’s ROS zones are defined as: Primitive: greater than 1,000 acres and more than 1 mile from motorized roads, trails, and railroads. Semi-Primitive: greater than 500 acres and more than 1/2 mile from motorized roads, trails, and railroads.Semi-Primitive Non-motorized: greater than 250 acres and more than 1/4 mile from motorized roads, trails, and railroads.Semi-Developed and Developed (Other Zones): No minimum size or remoteness criteria. The ROS model considers all changes. Non-shale gas related changes do affect the results of the analysis. April 2014 Shale Gas Monitoring Report ROS
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| Pennsylvania Department of Conservation and Natural Resources |
| 2025 |
Pennsylvania state law requires those who wish to conduct mining activities within the Commonwealth submit and get approval by the Pennsylvania Department of Environmental Protection (DEP) for permits related to those activities. These permits are written to cover various aspects of the mining operations, such as: reclamation, water quality protection, air quality protection, waste disposal and mine subsidence control. The DEP California District Office reviews permits related to Bituminous coal underground mining. Module 6.1 of the Application for Bituminous Underground Mine requires a Location Map be submitted with the permit. The Location Map should be a 7.5 Minute USGS map covering the area within one (1) mile of the underground permit area boundaries. This dataset contains the digitized underground permit area boundaries of the active underground bituminous mines in Pennsylvania based from the Location Maps submitted with the permit applications and permit renewal applications.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of Anthracite Coal Surface Mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. More recent surface mine permit boundaries and attributes were digitized directly as shapefiles. This layer represents a combination of various surface mine permit tracking systems. All future surface mine permit boundaries will be updated here, as the mylar system is phased out.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of Bituminous Coal Surface Mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. More recent surface mine permit boundaries and attributes were digitized directly as shapefiles. This layer represents a combination of various surface mine permit tracking systems. All future surface mine permit boundaries will be updated here, as the mylar system is phased out.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Represents the Primary Facility type Coal Mining Operation (CMO) point features. A Coal Mining Operation is a DEP primary facility type related to the Mining Program. The sub-facility types related to Coal Mining Operations that are included are: Deep Mine Underground mining of coal. Includes, but is not limited to, portal, tunnel, slope, and drift mines.
Discharge Point Discharge of water from an area as a result of coal mining activities.
Mineral Preparation Plant Facility at which coal is cleaned and processed.
Post Mining Treatment Post-mining discharges are groundwater seeps and flows that occur after a mine has been completed and reclaimed. Many of these discharges have become contaminated by contacting acid producing rock in the mine environment. Untreated discharges that enter clean streams cause acidification, which immediately kills much of the aquatic life. Coal mines that are predicted to have discharges are not permitted; however, coal mining operators are required to treat post-mining discharges in cases where the predictions do not come true. Through advances in predictive science, less than 2 percent of the permits issued today result in a post-mining discharge. New technologies, including alkaline addition and special handling of acid producing material, are being studied in order to help address the remaining 2 percent.
Refuse Disposal Facility An area used for disposal or storage of waste coal, rock, shale, slate, clay, and other coal mining related materials.
Refuse Reprocessing Facility at which coal is extracted from waste coal, rock, shale, slate, clay, and other coal mining related material, i.e., coal refuse.
Surface Mine Surface mining of coal by removing material which lies above the coal seam. Includes, but is not limited to, strip, auger, quarry, dredging, and leaching mines. A Coal Mining Operation is a DEP primary facility type related to the Mining Program. The sub-facility types related to Coal Mining Operations that are included in eMapPA are: Coal-Aboveground Storage Tank - aboveground tanks greater than 250 gallons used to store a regulated substance, motor oil or fuel on a coalmine permit. These tanks are regulated under the coal mining regulations since they are specifically exempted from the storage tank regulations. Discharge Point - Discharge of water from an area as a result of coal mining activities. Mineral Preparation Plant - Facility at which coal is cleaned and processed. Mining Stormwater GP - General permit for Stormwater discharges associated with coal mining activities in which the main pollutant is sediment. Discharge is not into a High Quality or Exceptional Value designated stream. NPDES Discharge Point - An effluent discharge at a coal mine operation permitted under the National Pollutant Discharge Elimination System. Post Mining Treatment - Post-mining discharges are groundwater seeps and flows that occur after a mine has been completed and reclaimed. Many of these discharges have become contaminated by contacting acid producing rock in the mine environment. Untreated discharges that enter clean streams cause acidification, which immediately kills much of the aquatic life. Coal mines that are predicted to have discharges are not permitted; however, coal mining operators are required to treat post-mining discharges in cases where the predictions do not come true. Through advances in predictive science, less than 2 percent of the permits issued today result in a post-mining discharge. New technologies, including alkaline addition and special handling of acid producing material, are being studied in order to help address the remaining 2 percent. Refuse Disposal Facility - An area used for disposal or storage of waste coal, rock, shale, slate, clay, and other coal mining related materials. Refuse Reprocessing - Facility at which coal is extracted from waste coal, rock, shale, slate, clay, and other coal mining related material, i.e., coal refuse. Surface Mine - Surface mining of coal by removing material which lies above the coal seam. Includes, but is not limited to, strip, auger, quarry, dredging and leaching mines. Underground Mine - Deep mining of coal. Includes, but is not limited to, portal, tunnel, slope and drift mines.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal Pillar Locations are pillars of coal that must remain in place to provide support for a coal mine.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal Pillar Locations are pillars of coal that must remain in place to provide support for an oil and gas well on the surface.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The purpose of this dataset is to provide DEP staff and other environmental professionals with a spatially referenced dataset of the permit area boundaries of active permitted coal refuse disposal areas (CRDAs) in Pennsylvania.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal mining has occurred in Pennsylvania for over a century. This dataset tries to identify the areas of the various coal seams in Pennsylvania that have been extracted by various underground mining techniques. This information can be used for many environmental related issues, including mine land reclamation and determination of needs for Mine Subsidence Insurance. The information in this dataset was gathered from digitizing the area of extracted coal identified on historic and modern underground mine maps. The maps to these coal mines are stored at many various public and private locations (if they still exist at all) throughout the commonwealth, they have been scanned to create a digital archive, and georeferenced to their approximate location for use in a geographic information system (GIS). The dataset is continuously updated as new maps are processed and is not considered “completed”, i.e. just because an area in Pennsylvania is not identified in this dataset as mined, does not mean the area was not mined.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Encroachment Location for Oil & Gas is a DEP primary facility type related to the Oil and Gas Program. The sub-facilities that fall under Oil and Gas Encroachment also exist under Encroachment Locations. The difference is in the DEP program that regulates the facilities. Sub Facility types include:___Bridge--- A bridge across a stream required to provide access primarily to an oil and gas location Culvert--- A culvert installed to provide access primarily to an oil and gas location. Stream Bank Protection definition - Oil and Gas Stream Bank Protection facilities are physical barriers or practices put in place to minimize stream bank disturbance from Oil and Gas related activities. Intake structure - means the total physical structure and any associated constructed waterways used to withdraw water from waters of the Commonwealth. The intake structure extends from the point at which water is withdrawn from the surface water source up to, and including, the intake pumps.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of Industrial Mineral Surface Mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. More recent surface mine permit boundaries and attributes were digitized directly as shapefiles. This layer represents a combination of various surface mine permit tracking systems. All future surface mine permit boundaries will be updated here, as the mylar system is phased out.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Coal mining has occurred in Pennsylvania for over a century. A method of coal mining known as Longwall Mining has become more prevalent in recent decades.
Longwall mining involves full extraction of the coal seam in the longwall panel. The longwall mining machinery cuts or shears the coal off the face of a long wall panel of coal in a single pass. The machinery will then advance forward and perform another pass along the coal face. The broken off coal is hauled to the surface using conveyor belts. As the machinery advances forward into the coal panel, the mine roof is allowed to collapse behind it. This dataset identifies the footprint of these longwall panels relative to the surface.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
Points digitized from the historic Mylar tracking system, attributed with fields from BMP spreadsheet of Mylar index cards.A layer containing points of portal entries and coal seam elevations of coal mines. Data was converted over from the physical "Mylar Review" system for surface mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the point layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The point layers' attribute tables were joined with the spreadsheet. More recent coal feature points and attributes were digitized directly as shapefiles. This layer represents a combination of various coal mine tracking systems.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Oil and Gas Location is a DEP primary facility type related to the Oil & Gas Program. The sub-facility types related to Oil and Gas that are included in this layer are:_____ Land Application -- An area where drilling cuttings or waste are disposed by land application
Well-- A well associated with oil and/or gas production
Pit -- An approved pit that is used for storage of oil and gas well fluids . Some sub facility types are not included in this layer due to security policies.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
An Oil and Gas Water Pollution Control Facility is a DEP primary facility type related to the Oil & Gas Program. The following are the sub-facility types related to Water Pollution Control that are included in eMapPA: Discharge point - The outfall from a wastewater treatment facility for oil and gas fluids. Internal Monitoring Point - A monitoring point within the wastewater treatment system where samples are collected. Treatment Plant - A facility for treating oil and gas wastewater to achieve permit effluent limits.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
The following data set contains all the Oil & Gas Wells in Pennsylvania that the Dept of Enviromental Protection has locational information on. The wells are broken into two formation types of conventional and unconventional wells.
A conventional well is a bore hole drilled or being drilled for the purpose of or to be used for the production of oil or natureal gas from only conventional formation(s). A conventional formation is any formation that does not meet the statutory definition of an unconventional formation.
An unconventional gas well is a bore hole drilled or being drilled for the purpose of or to be used for the production of natural gas from an unconventional formation. Unconventional formation is a geological shale formation existing below the base of the Elk Sandstone or its geologic equivalent stratigraphic interval where natural gas generally cannot be produced at economic flow rates or in economic volumes except by vertical or horizontal well bores stimulated by hydraulic fracture treatments or by using multilateral well bores or other techniques to expose more of the formation to the well bore.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
A layer containing the permit boundaries of historic underground coal mine permits in Pennsylvania. Data was converted over from the physical "Mylar Review" system for mine permit location look-ups. The physical topographic maps and mylar overlays have been scanned, georeferenced, and vectorized to create the permit boundary polygon layers with an index number attribute. The corresponding index cards have been data entered in a spreadsheet. The polygon layers' attribute tables were joined with the spreadsheet. There are no planned updates for this layer, see the Department's Active Underground Permit Boundaries layer for newer mine permits. This layer is for informational purposes only and is known to not be a complete listing of all historic permits.
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| Pennsylvania Department of Environmental Protection |
| 2025 |
This data set contains all approved water sources within water management plans (WMP). A WMP contains water sources utilized in the fracture stimulation of Marcellus Shale natural gas wells in Pennsylvania.
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| Pennsylvania Department of Environmental Protection |
| 1996 |
Location of mined areas, including surface and deep coal and
non-coal mining.
Data incomplete, areas not mapped when screened at small scales during low
level radioactive waste siting analysis.
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| The Pennsylvania State University |
| 1996 |
Point locations of oil and gas fields from Pennsylvania Department of
Environmental Resources, Bureau of Topographic and Geologic Survey /8PAGS/9 Well
Completion Maps /81:24,000 scale/9 and PAGS and Pennsylvania Department of
Environmental Protection Bureau of Mines well field data.
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| The Pennsylvania State University |
| 1996 |
Point locations of oil and gas wells from Pennsylvania Department of
Environmental Resources, Bureau of Topographic and Geologic Survey /8PAGS/9 Well
Completion Maps /81:24,000 scale/9 and PAGS and Pennsylvania Department of
Environmental Protection Bureau of Mines well field data.
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| The Pennsylvania State University |
| 2008 |
The U.S. Environmental Protection Agency (EPA) Office of Solid Waste and Emergency Response (OSWER) Center for Program Analysis (OCPA) is encouraging the reuse of contaminated lands for siting clean and renewable energy facilities. According to the U.S. Energy Information Administration's Annual Energy Outlook 2008, by 2030 U.S. electricity production will need to increase by nearly 30 percent to meet growing demand. Currently, wind, solar and biomass supply 2.3% of our nation's electricity. While these renewable sources currently make up only a small fraction of energy production, renewable energy production is expected to increase by more than 70% between 2006 and 2030. Identifying and using land located in areas with high quality renewable energy resource will be an essential component of developing more electricity from renewable energy sources.
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| U S Environmental Protection Agency |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 200
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The USGS Central Region Energy Team assesses oil and gas resources of the United States. The onshore and State water areas of the United States comprise 71 provinces. Within these provinces, Total Petroleum Systems are defined and Assessment Units are defined and assessed. Each of these provinces is defined geologically, and most province boundaries are defined by major geologic changes.
The Appalachian Basin Province is located in the eastern United States, encompassing all or parts of the counties in Alabama, Georgia, Kentucky, Maryland, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, and West Virginia. The main population centers within the study area are Birmingham, Alabama; Buffalo, New York; Cleveland, Ohio; Pittsburgh, Pennsylvania; Chattanooga, Tennessee; and Roanoke, Virginia. The main Interstates are I-20, I-24, I-40, I-59, I-64, I-65, I-66, I-70, I-71, I-75, I-76, I-77, I-78, I-79, I-80, I-81, I-83, I-84, I-87, I-88, and I-90. The Ohio, Susquehanna, Allegheny, Tennessee, Coosa, Delaware, New, Potomac, and Scioto Rivers and their tributaries drain the area. The province boundary was drawn to include the geologic structures generally considered to be in or bounding the Appalachian Basin.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The Assessment Unit is the fundamental unit used in the National Assessment Project for the assessment of undiscovered oil and gas resources. The Assessment Unit is defined within the context of the higher-level Total Petroleum System. The Assessment Unit is shown here as a geographic boundary interpreted, defined, and mapped by the geologist responsible for the province and incorporates a set of known or postulated oil and (or) gas accumulations sharing similar geologic, geographic, and temporal properties within the Total Petroleum System, such as source rock, timing, migration pathways, trapping mechanism, and hydrocarbon type. The Assessment Unit boundary is defined geologically as the limits of the geologic elements that define the Assessment Unit, such as limits of reservoir rock, geologic structures, source rock, and seal lithologies. The only exceptions to this are Assessment Units that border the Federal-State water boundary. In these cases, the Federal-State water boundary forms part of the Assessment Unit boundary.
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| U S Geological Survey |
| 2002 |
Cell maps for each oil and gas assessment unit were created by the USGS as a method for illustrating the degree of exploration, type of production, and distribution of production in an assessment unit or province. Each cell represents a quarter-mile square of the land surface, and the cells are coded to represent whether the wells included within the cell are predominantly oil-producing, gas-producing, both oil and gas-producing, dry, or the type of production of the wells located within the cell is unknown. The well information was initially retrieved from the IHS Energy Group, PI/Dwights PLUS Well Data on CD-ROM, which is a proprietary, commercial database containing information for most oil and gas wells in the U.S. Cells were developed as a graphic solution to overcome the problem of displaying proprietary PI/Dwights PLUS Well Data. No proprietary data are displayed or included in the cell maps. The data from PI/Dwights PLUS Well Data were current as of October 2001 when the cell maps were created in 2002.
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| U S Geological Survey |
| 2002 |
The Total Petroleum System is used in the National Assessment Project and incorporates the Assessment Unit, which is the fundamental geologic unit used for the assessment of undiscovered oil and gas resources. The Total Petroleum System is shown here as a geographic boundary defined and mapped by the geologist responsible for the province and incorporates not only the set of known or postulated oil and (or) gas accumulations, but also the geologic interpretation of the essential elements and processes within the petroleum system that relate to source, generation, migration, accumulation, and trapping of the discovered and undiscovered petroleum resource(s).
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| U S Geological Survey |