1981. Geological Survey (U.S.) and Environmental Systems Research Institute (Redlands, Calif.). U.S. Geographic Names Information System Schools represents the Federal standard for geographic nomenclature and contains information about the pro... ESRI.
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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.
2011. Vanderbilt Engineering Center for Transportation Operations and Research, United States. Bureau of Transportation Statistics, and Waterborne Commerce Statistics Center (U.S.). The National Waterway Network is comprised of a link database and a node database. Links are line strings, which consist of beginning and end point... United States. Bureau of Transportation Statistics.
2011. Vanderbilt Engineering Center for Transportation Operations and Research, Waterborne Commerce Statistics Center (U.S.), and United States. Bureau of Transportation Statistics. The National Waterway Network is comprised of a link database and a node database. Links are line strings, which consist of beginning and end point... United States. Bureau of Transportation Statistics.
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