Drilling and blasting in metal-mine drifts and crosscuts
By: by E.D. Gardner.
Series: United States. Bureau of Mines. Bulletin ;; 311
Publisher: U.S. G.P.O.
Published: 1929
Place of publication: Washington
Language: eng
Number of pages: 170
Subjects: Boring.; Blasting.
Notes: Includes bibliographical references and index.