Published by U. S. Geological Survey, Washington, D. C., 1920
First Edition
Hardcover. Condition: Fair with no dust jacket. First Edition. Unmarked, except for company stamps on title page. Wear on corners. Binding is beginning to separate in front. Generally well bound. ; Book Description; Spine has no signs of creasing. Pages are clean and not marred by notes or folds. Covers are square with minor wear. Ships Safe and Fast. Published without Dust Jacket. Government Rebound original paperback edition, red boards with guild lettering on spine ; U. S. Geological Survey Bulletin; Vol. 713; B&W Photographs; 8vo 8" - 9" tall; 152 pages DW3.