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Federal
Inland Electronic Navigational Charts (IENC) NGDA recent views
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
Series Information for All Roads County-based TIGER/Line Shapefiles, Current NGDA recent views
U.S. Census Bureau, Department of Commerce —
This is a series-level metadata record. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information...