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Navigable Waterway Network Node Locations | HIFLD
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Navigable Waterway Network Node Locations
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Navigable Waterway Network Node Locations
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Summary
The National Waterway Network (NWN) “is comprised of a link database and a node database. Nodes may represent physical entities such as river confluence's, ports/facilities, and intermodal terminals, USACE nodes, or may be inserted for analytical purposes (i.e., to facilitate routing).”
The National Waterway Network (NWN) is a geographic database of navigable waterways and channels in and around the United States, for analytical studies of navigation performance, for compiling commodity flow statistics, and for mapping purposes. The NWN is comprised of a link database and a node database. Links are line strings, which consist of beginning and end points (nodes) with intermediate vertices (shape points). Links represent either actual shipping lanes (i.e., channels, Intracoastal Waterways, sea lanes, rivers) or serve as representative paths in open water (where no defined shipping paths exist). Nodes may represent physical entities such as river confluence's, ports/facilities, and intermodal terminals, USACE nodes, or may be inserted for analytical purposes (i.e., to facilitate routing).
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Info Updated: October 25, 2024 at 12:00:00 AM EDT
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Data Updated: October 29, 2024 at 10:16:50 AM EDT
October 25, 2024 at 12:00:00 AM EDT
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Records: 6,255
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