Published by Maestro En Ciencias En Ingenieria De Minas, Guanajuato, Mexico, 1983
First Edition
Softcover. Condition: Very Good. First Edition (?). Unmarked. ; Book Description; Spine has no signs of creasing. Pages are clean and not marred by notes or folds. Covers are square with minor wear. Ships Safe and Fast. ; B&W Illustrations; 4to 11" - 13" tall; 261 pages MS3.