Navigable Waterways USA 2011
- This line dataset represents navigable waterways from the National Waterway Network, which is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous states plus the District of Columbia, Hawaii, Alaska, Puerto Rico and water links between. The nominal scale of the dataset varies with the source material. The majority of the information is at 1:100,000 with larger scales used in harbor/bay/port areas and smaller scales used in open waters.
- U.S. Army Engineer Institute for Water Resources
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- More details at
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