2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). World Wildlife Fund Marine Ecoregions represents global marine ecoregions. Ecoregions are defined as relatively large areas of land or water in the... ESRI.
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2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). World Wildlife Fund Terrestrial Ecoregions represents global terrestrial ecoregions. Ecoregions are defined as relatively large areas of land or wa... ESRI.
1981. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. Geographic Names Information System Summits represents an automated inventory of the proper names and locations of physical and cultural geogr... ESRI.
2001. World Wildlife Fund and Environmental Systems Research Institute (Redlands, Calif.). World Wildlife Fund Terrestrial Ecoregions represents global terrestrial ecoregions. Ecoregions are defined as relatively large areas of land or wa... ESRI.
2000. American Geological Institute, Geological Survey (U.S.), and Environmental Systems Research Institute (Redlands, Calif.). This shapefile includes arcs and polygons that describe U.S. Geological Survey defined geologic provinces of the World. Each province has a set of ... American Geological Institute.
1999. American Geological Institute, Geological Survey (U.S.), Petroconsultants International Data Corp., and Environmental Systems Research Institute (Redlands, Calif.). This coverage contains points that describe centerpoint locations of and primary commodity produced by oil and gas fields. A fundamental task in th... American Geological Institute.
1981. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. Geographic Names Information System Summits represents an automated inventory of the proper names and locations of physical and cultural geogr... ESRI.
1981. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. Geographic Names Information System Summits represents an automated inventory of the proper names and locations of physical and cultural geogr... ESRI.
1981. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. Geographic Names Information System Summits represents the Federal standard for geographic nomenclature and contains information about the pro... ESRI.