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- ML InfoMap (Firm)135
- World Wildlife Fund (WWF)28
- 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
- World Wildlife Fund14
- Circuit Rider Productions9
- SRBC9
- Bernardin-Lochmueller & Associates6
- Environmental Resources Research Institute5
- United States Fish and Wildlife Service5
- Afghanistan Information Management Service4
- United States Geological Survey4
- Allegheny County Division of Computer Services Geographic Information Systems Group3
- City Planning Commission (PCPC) Department - GIS Division3
- David Homans, Pennsylvania Natural Heritage Program3
- Geological Survey (U.S.)3
- Heritage Conservancy3
- Pennsylvania Department of Environmental Protection3
- U.S. Geological Survey in cooperation with the U.S. Environmental Protection Agency3
- Wyoming Geographic Information Sciences Center3
- City of Philadelphia2