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Federal
Inland Electronic Navigational Charts (IENC) NGDA
Army Corps of Engineers, Department of the Army, Department of Defense —
These Inland Electronic Navigational Charts (IENCs) were developed from available data used in maintenance of Navigation channels. Users of these IENCs should be... -
Federal
Inland Electronic Navigational Charts NGDA
Department of Transportation —
The Inland Electronic Navigational Charts (IENC) dataset is updated bi-monthly by the US Army Corps (USACE)/Army Geospatial Center (AGC), and part of U.S. Department...