Verlag: United States Government Printing Office, Washington, D. C., 1987
Erstausgabe
Paperback. Zustand: Very Good. First Edition. Unmarked. One folded plate inrear 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 1713C; Vol. 1713C; 4to 11" - 13" tall; 12 pages DL2.