Published by United States Geological Survey/USGS/Government Printing Office/GPO, Washington, DC, 1931
Seller: Robert Gavora, Fine & Rare Books, ABAA, Talent, OR, U.S.A.
Hardcover. 96 pages with tables, photographic plates, foldouts, references and index. All plates present. Library binding of tan buckram with lettering on the spine in gilt. Library plate on the front paste-down endpaper, withdrawn stamp on the front free endpaper, and call numbers on several pages. No library pockets, other labels or markings were ever present. An about fine copy. Book.