Design of drill-hole grid spacings for evaluating low-grade copper deposits /
by Richard F. Hewlett.

Description

Main Author

Hewlett, Richard F.

Related Names

University of Arizona. College of Mines.
University of Arizona. State Bureau of Mines.
Bear Creek Mining Company.

Language(s)

English

Published

[Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, [1965]

Subjects

Boring.
Copper mines and mining.
Copper ores.

Note

Performed in cooperation wth the Bear Creek Mining Co., and the Bureau of Mines and the College of Mines, University of Arizona.

Physical Description

ii, 46 p. : ill. ; 27 cm.

Locate a Print Version

Find in a library

Viewability