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Credits

United States Environmental Protection Agency (USEPA)
Landscape Ecology Branch
LINK: USEPA Landscape Ecology Branch
 
United States Geological Survey (USGS)
LINK: United States Geological Survey (USGS)
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USGS EROS Data Center
LINK: USGS EROS Data Center
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USGS National GAP Analysis Program
LINK: USGS National GAP Analysis Program
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USGS / USEPA (National Hydrography Dataset)
LINK: USGS / USEPA (National Hydrography Dataset)
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National Resources Conservation Service (NRCS)
LINK: National Resources Conservation Service (NRCS)
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Environmental Systems and Research Institute (ESRI)
LINK: Environmental Systems and Research Institute (ESRI)
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National Atlas of the United States
LINK: National Atlas of the United States
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Lockheed Martin Environmental Services (LMES)
LINK: Lockheed Martin Environmental Services (LMES)
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Environmental Sciences | Research & Development
National Exposure Research Laboratory
LEB | EMAP
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