1994. Vanderbilt Engineering Center for Transportation Operations and Research, Vanderbilt University. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous States... U.S. Army Corps of Engineers Navigation Data Center.
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1994. Vanderbilt Engineering Center for Transportation Operations and Research, Vanderbilt University. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous States... U.S. Army Corps of Engineers Navigation Data Center.