- PA Department of Conservation and Natural Resources
- PA Department of Environmental Protection
- Pennsylvania Spatial Data Access(Statewide Mapping Data)
- Tioga County G.I.S.(Mapping Data)
- Potter County G.I.S.(Mapping Data)
- Lycoming County G.I.S. Mapping and Data Services
- U.S. Forest Service
- U.S. Natural Resources Conservation Service
- USDA Plants Database
- U.S. Geological Survey
- U.S. Environmental Protection Agency