Published by U. S. Geological Survey, Washington, D. C., 1989
First Edition
Paperback. Condition: Very Good. First Edition. Unmarked, folded plate in rear pocket. ; 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. 1843; 4to 11" - 13" tall; 32 pages DS1.