Online Applications & Tools




Imagery Navigator


This interactive application serves as the One Stop Portal to all imagery and raster data by, for, or about Pennsylvania. Capabilities of the Navigator include viewing data, search and retrieval of data, and creating a list of imagery or raster data to download. Functionality includes navigating the map, zooming automatically to a street address, and downloading the available images in MrSID, JPEG 2000, or TIFF formats. Dynamic links are included for images that are available from multiple time periods, data providers, and formats.



PA Atlas


The Pennsylvania Atlas was designed to provide enhanced visualization and data download capabilities through an online mapping interface. With the PA Atlas you will be able to view, download, and create your own maps using data available through PASDA. The data in the PA Atlas includes statewide boundary files, transportation, wildlife, conservation, recreation, and health data layers to name a few. Users can search for data by county or address or simply zoom in to their area of interest. By using our identify function, users can see data attributes such as road names, traffic counts, state park names and link directly to websites related to data for more information. If you would like to create your own map, simply select your data layers and use our map making function to create a PDF, JPG or PNG file to download. Please feel free to provide comments, suggestions and ideas about our new Pennsylvania Atlas.



PA Atlas


Coal mining has occurred in Pennsylvania for over a century. The maps to these coal mines are stored at various public and private locations (if they still exist at all) throughout the commonwealth. The Pennsylvania Department of Environmental Protection, Office of Active and Abandoned Mine Operations (DEP) is involved in many projects dealing with historic and active mine map restoration and digitization. The DEP has tried to preserve the historic information contained on these maps by scanning the maps into a digital image.

Landscape Indicators for Mapped Wetlands in Pennsylvania




A Level 1 Landscape Assessment using spatial analysis was conducted to characterize all mapped wetlands from the National Wetland Inventory (NWI) within the Commonwealth of Pennsylvania, USA. Wetland sites, comprising more than 168,000 polygons, were defined as 1-km radius landscape circles around the center point of each wetland polygon. Landscape composition was summarized by extracting information of a set of patches of the same type (i.e., a NLCD land use class) within each circle. The following NLCD land use classes were studied: (1) water, (2) developed, open space, (3) developed, low intensity, (4) developed, medium intensity, (5) developed, high intensity, (6) barren, rock/clay/sand, (7) forest, (8) shrub, scrub, (9) pasture, hay, (10) cultivated crops, and (11) wetlands. In addition, four indicators of human activity -Total Core Area Index, Road Density, Landscape Development Intensity Index, and Impervious Surface- were quantified by integrating land cover and road network information.