United States Army. Corps of Engineers. creator text Alexandria, VA Navigation Data Center monographic US Army Corps of Engineers Description based on: FY 1993; title from caption (viewed on Feb. 21, 2007) Dredging D 103.130/2: D 103.130/2: http://purl.access.gpo.gov/GPO/LPS78771 http://purl.access.gpo.gov/GPO/LPS78771 20160527183824.0 300462