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Author
- Delaware River Basin Commission (DRBC)27
- U.S. Geological Survey in cooperation with U.S. Environmental Protection Agency, USDA Forest Service, and other Federal, State and local partners (see dataset specific metadata under Data_Set_Credit for details).22
- David Homans, Pennsylvania Natural Heritage Program3
- The Conservation Fund3
- Western Pennsylvania Conservancy3
- City of Philadelphia Water Department - Information Systems Technology2
- U.S. Geological Survey2
- USGS2
- ALLIANCE for Aquatic Resource Monitoring1
- David Homans1
- Department of Records1
- EarthData International, LLC1
- Ephraim Zimmerman, Western Pennsylvania Conservancy1
- Ohio River Valley Water Sanitation Commission1
- Pennsylvania Department of Environmental Protection1
- Pennsylvania Natural Heritage Program1
- Ryan Evans, Pennsylvania Natural Heritage Program - Pittsburgh office1
- USDA Forest Service1
- USDA-FSA Aerial Photography Field Office1