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Author
- GfK MACON248
- SRBC9
- World Wildlife Fund (WWF)4
- California. Department of Water Resources3
- World Wildlife Fund3
- Direccion General de Catastro y Geografia, General Direction for Cadastre and Geography2
- Egypt. Jihāz al-Markazī lil-Taʻbiʼah al-ʻĀmmah wa-al-Iḥṣāʼ2
- Indiana Department of Environmental Management, Office of Land Quality2
- International Steering Committee for Global Mapping2
- LeadDog Consulting, LLC2
- Natural Lands Trust with input data from PA DEP.2
- Susquehanna River Basin Commission (SRBC)2
- Bay Area Open Space Council1
- Conservation Lands Network1
- GreenInfo Network (Firm)1
- Natural Lands Trust1
- Pennsylvania Department of Environmental Protection1
- Rawson, Peg1
- San Francisco Bay Area Upland Habitat Goals Project1
- World Resources Institute1