Editore: U. S. Geological Survey, Washington, D. C., 1990
Prima edizione
Paperback. Condizione: Very Good. First Edition. Unmarked. ; 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. 1944; B&W Illustrations; 4to 11" - 13" tall; 14 pages DT4.