Information circulars. 7926. Placer mining in Alaska, methods and costs at operations using hydraulic and mechanical excavation equipment with nonfloating washing plants; by Bruce I. Thomas [and others].
Publication Title:
Placer mining in Alaska, methods and costs at operations using hydraulic and mechanical excavation equipment with nonfloating washing plants; by Bruce I. Thomas [and others].
Display Title:
Information circulars. 7926. Placer mining in Alaska, methods and costs at operations using hydraulic and mechanical excavation equipment with nonfloating washing plants; by Bruce I. Thomas [and others].
Series Title:
Information circulars.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Thomas, Bruce I.
Date:
1959
Publish Date ISO Format:
1959-01-01T00:00:00Z
Publication Start:
19590101
Publication End:
19591231
Corporate/Agency Author:
Mines Bureau
Publication month:
13
Publication year:
1959
SuDoc number:
I 28.27:(nos.)
Description:
iv+34 p. il. 4°
Notes:
* For Sale by Superintendent of Documents. Paper, 30c. • Sent to Depository Libraries. Item 637-A.
Availability:
* For Sale by Superintendent of Documents. Paper, 30c. • Sent to Depository Libraries. Item 637-A.