Published by U. S. G. P. O., Washington, D. C., 1956
First Edition
Paperback. Condition: 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; Geological Survey bulletin; Vol. 1024E; 8vo 8" - 9" tall; 107-122 pages DV1.