Published by U. S. Geological Survey, Washington, D. C., 1955
First Edition
Paperback. Condition: Good. First Edition. Unmarked, except for company stamp on cover and title page. Corners have been bumped, but show little wear. Map/ plates are intact in pocket in rear of book. ; Book Description; Spine has staples. Pages are clean and not marred by notes or folds. Covers are square with wear as noted. Ships Safe and Fast; U. S. Geological Survey Bulletin; Vol. 1027F; B&W Illustrations; 8vo 8" - 9" tall; 301-321 pages.