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Author
- Natural Lands Trust with input data from PA DEP.21
- SRBC13
- U.S. Department of Commerce6
- Allegheny County Division of Computer Services Geographic Information Systems Group5
- Natural Lands Trust4
- Pennsylvania Dept. of Environmental Protection, Bureau of Mining and Reclamation (BMR)3
- Susquehanna River Basin Commission (SRBC)3
- Brink, Christopher2
- Gosack, Benjamin2
- Kne, Len2
- Luo, Yuanyuan2
- Martin, Christopher2
- McDonald, Molly2
- Moore, Michael2
- Munsch, Andrew2
- National Oceanic and Atmospheric Administration (NOAA), National OceanService, Office of Response and Restoration, Hazardous Materials Response2
- Palka, Stephen2
- Piernot, Devon2
- Thiede, Dan2
- U.S. Geological Survey2