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USGS EDH Lower Susquehanna D25 Work Unit: 301090

2026 - U S Geological Survey


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API
REST: https://imagery.pasda.psu.edu/arcgis/rest/services/pasda/USGS_PA_LowerSusquehanna_EDH_2026/MapServer
WMS: https://imagery.pasda.psu.edu/arcgis/services/pasda/USGS_PA_LowerSusquehanna_EDH_2026/MapServer/WMSServer?SERVICE=WMS&request=getcapabilities
ADDITIONAL RESOURCES
Web Application: https://www.pasda.psu.edu/download/usgs/ElevationDerivedHydrography/PA_LowerSusquehanna_D25_H\PA_LowerSusquehanna_D25_H\301090_collection_report.pdf
ABSTRACT
This dataset is Elevation-derived hydrography (EDH) for the 140G0221D0012 PA_LowerSusquehanna_D25_H project covering work unit PA_LowerSusquehanna_1_D25. The hydrography layer contains line features representing stream rivers and polygons representing waterbodies. The EDH was derived from 1 meter lidar Digital Elevation Models. This dataset was created to meet the requirements of the USGS Elevation-derived hydrography specification, https://www.usgs.gov/core-science-systems/ngp/ss/elevation-derived-hydrography-specifications. The line features contain Elevation class (EClass) codes useful for hydro-enforcement, including culvert identification. Feature Class (FCLASS) and Feature codes (FCodes) are hydrography codes compatible with the National Hydrography Dataset (NHD). The EDH data was created to be ingested into the 3DHydrography Program(3DHP), with the aim of better aligning hydrography features with 3DEP elevation datasets horizontally and vertically. These data have been created such that they may be used for hydro-enforcement.