United States. Bureau of ReclamationRelief shown by contours.; Prepared in the Washington office, J.H. Pellan, chief draftsman.; Includes text.29 x 24 CentimetersJPEGUMN_ALMA:9976556107101701engU.S. Bureau of Reclamation (Washington, D.C)PublicUncompahgre Irrigation Project, ColoradoMapsColoradoUniversity of Minnesota