Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1911. Soft cover. Item #45633
111 pages with maps, photographs, sections and index, plus the two folded maps in the rear pocket. Bound in original gray thick paper covers printed in black. Stamp of geologist Siemon Wm. Muller on the front cover, plus one other signature. A near fine copy.