Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1924. Soft cover. Very Good. Item #51791
The drainage basin of the Colorado River covers 244,000 square miles, or one-thirteenth of the area of the United States, situated in seven states. 270 pages with six fold out maps, tablea and index. Folded map present in the rear pocket. Bound in original orange stiff paper covers printed in black. Small chips to the top and bottom of the spine. A very good copy.