Search Results
2013. Institute for Water Resources (U.S.). Navigation Data Center. This point shapefile contains the locations of waterways locks in the United States. The Navigation Data Center had several objectives in developin... United States. Bureau of Transportation Statistics.
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.
2012 and 2013. Applied Science Associates. The Code of Federal Regulations designates a mandatory ship reporting system in the northeastern U.S. named WHALESNORTH to protect North Atlantic R... Northeast Ocean Data.
1943. Powell, Susan and Navarro, Fernando. This point dataset represents the wharf facilities in and near Mongolia in 1943. The features were described on the source map as "Wharf facilities... UC Berkeley Library.
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.
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.
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.
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.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile represents railroads worldwide. There are no attributes and precision XY accuracy is to 20m not 10m. These data are represe... North American Cartographic Information Society.