Information circulars. 8153. Open-pit copper mining and concentrating methods and costs. Silver Bell unit, American Smelting and Refining Co., Pima County, Ariz.; by W. R. Hardwick.
Publication Title:
Open-pit copper mining and concentrating methods and costs. Silver Bell unit, American Smelting and Refining Co., Pima County, Ariz.; by W. R. Hardwick.
Display Title:
Information circulars. 8153. Open-pit copper mining and concentrating methods and costs. Silver Bell unit, American Smelting and Refining Co., Pima County, Ariz.; by W. R. Hardwick.
Series Title:
Information circulars.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Hardwick, W. R.
Date:
[1963.]
Publish Date ISO Format:
1963-01-01T00:00:00Z
Publication Start:
19630101
Publication End:
19631231
Corporate/Agency Author:
Mines Bureau
Publication month:
13
Publication year:
1963
SuDoc number:
I 28.27:(nos.)
Description:
[2]+iii+72 p. il. 4°
Notes:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.