Undercut block-caving method of mining in western copper mines

Main Author: Gardner, E. D. 1885-
Format: Book
Language: English
Published: Washington, D.C. : U.S. Dept. of Commerce, Bureau of Mines, 1930.
Physical Description: 44 pages : illustrations ; 27 cm.
Series: Information circular (United States. Bureau of Mines) ; 6350.
Subjects:

CMU Storage Gov Pub

LocationCall Number: Status
CMU Storage Gov Pub I 28.27:6350 Available