Report of investigations. 7331. Comparison of triangular, polygonal, and statistical method of computing grade and tonnage of ore for Silver Bell Oxide porphyry copper deposit; by Richard F. Hewlett.
Publication Title:
Comparison of triangular, polygonal, and statistical method of computing grade and tonnage of ore for Silver Bell Oxide porphyry copper deposit; by Richard F. Hewlett.
Display Title:
Report of investigations. 7331. Comparison of triangular, polygonal, and statistical method of computing grade and tonnage of ore for Silver Bell Oxide porphyry copper deposit; by Richard F. Hewlett.
Series Title:
Report of investigations.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Hewlett, Richard F.
Author place:
Washington, DC
Author zip:
20240
Date:
[Jan. 1970.]
Publish Date ISO Format:
1970-01-01T00:00:00Z
Publication Start:
19700101
Publication End:
19700131
Corporate/Agency Author:
Mines Bureau
Publication month:
12
Publication year:
1970
SuDoc number:
I 28.23:(nos.)
Description:
[2]+ii+33 n. il. 4°
Notes:
[Based on work done in cooperation with Bear Creek Mining Company and College of Mines, University of Arizona.]
Notes:
[Based on work done in cooperation with Bear Creek Mining Company and College of Mines, University of Arizona.] • Sent to Depository Libraries. Item 637-A
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, PA 15213 and • Sent to Depository Libraries. Item 637-A