Editore: United States Government Printing Office, Washington, D. C., 1970
Prima edizione
Paperback. Condizione: Very Good-. First Edition. Unmarked. Two plates folded 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. 1319B; 8vo 8" - 9" tall; 24 pages DE2.