United States Bureau of Reclamation. text Denver, Colo U.S. Dept. of the Interior, Bureau of Reclamation monographic Title from title screen (viewed on Nov. 22, 2002) Irrigation engineering Water-supply engineering I 27.41: I 27.41: http://purl.access.gpo.gov/GPO/LPS5857 http://purl.access.gpo.gov/GPO/LPS5857 20160527183651.0 299734