20250306213712001.0TRUETRUE1500000005000ISO19139USACE_IENC_Master_Service<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>US Army Corps of Engineers (USACE) Inland Electronic Navigational Charts (IENC) data in native S-57 format have been converted to vector GIS data with all feature class names, attribution and attribute enumerated values translated to common English naming conventions as in the USACE INLAND ENC Encoding Guide. These IENC data represent 7,265 statute miles of electronic navigational data produce by the US Army Corps of Engineers IENC Program located at the US Army Geospatial Center in Alexandria, VA.</SPAN></P></DIV></DIV></DIV>USACEIENCS-57Inland ENCIENC Data Master Webmap Service. USACE Inland Electronic Navigational Charts (IENC) data as a single esri Map Service. Data set includes all IENC vector data in its entirety. (21-Sep-26)USACE, US Army Geospatial Center, US Coast Guard, IIC Technologies<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>No access or use constraints. 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