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National Inventory of Dams (NID) recent views
Congress first authorized the U.S. Army Corps of Engineers (USACE) to inventory dams in the United States with the National Dam Inspection Act (Public Law 92-367) of 1972. The... -
Inland Electronic Navigational Charts (IENC) NGDA recent views
These Inland Electronic Navigational Charts (IENCs) were developed from available data used in maintenance of Navigation channels. Users of these IENCs should be aware that some... -
National Levee Database recent views
Congressionally mandated national levee safety dataset for the nations levees. Includes over 20 geospatial features and hundreds of business attributes.