You searched for: Format Shapefile Remove constraint Format: Shapefile Institution Harvard Remove constraint Institution: Harvard Place Pacific Ocean Remove constraint Place: Pacific Ocean Place Arctic Ocean Remove constraint Place: Arctic Ocean Place Bering Sea Remove constraint Place: Bering Sea Data type Line Remove constraint Data type: Line
1980. 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.