2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts ports worldwide used for loading and unloading vessels and usually located in harbors, including land office, crane, d... North American Cartographic Information Society.
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2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between lakes and land at crude resolution. Crude represents an 80 percent reduction in size and qua... United States. National Geospatial-Intelligence Agency.
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.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts natural and artificial lakes worldwide ranked by relative importance, coordinating with river ranking. Includes name... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts natural and artificial lakes worldwide. Includes name attributes. Ranked by relative importance, coordinating with r... North American Cartographic Information Society.
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.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts tiny country points that can be used with country layers to communicate data that would otherwise be lost due to some ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts tiny country points that can be used with country layers to communicate data that would otherwise be lost due to some ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts tiny country points that can be used with country layers to communicate data that would otherwise be lost due to some ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This point shapefile depicts airports worldwide, including terminal, parking, ramp and runway locations ordered best to worst. Locations could be u... North American Cartographic Information Society.