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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... -
Federal
Navigational Facilities NGDA
Department of Transportation —
The Navigational Facilities dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of Transportation...