Gold Mining and Milling Methods and Costs at the Vallecito Western Drift Mine, Angels Camp, Calif
Author : Don Steffa
Publisher :
Page : 20 pages
File Size : 38,96 MB
Release : 1932
Category : Gold
ISBN :
Author : Don Steffa
Publisher :
Page : 20 pages
File Size : 38,96 MB
Release : 1932
Category : Gold
ISBN :
Author :
Publisher :
Page : 876 pages
File Size : 49,48 MB
Release : 1934
Category : Mines and mineral resources
ISBN :
Author : Daniel Harrington
Publisher :
Page : 1206 pages
File Size : 19,41 MB
Release : 1939
Category : Coal mine accidents
ISBN :
Author : Charles Freeman Jackson
Publisher :
Page : 538 pages
File Size : 21,12 MB
Release : 1939
Category : Mining engineering
ISBN :
Author :
Publisher :
Page : 538 pages
File Size : 33,60 MB
Release : 1910
Category :
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 1212 pages
File Size : 39,43 MB
Release : 1938
Category :
ISBN :
Author : Eugene Delos Gardner
Publisher :
Page : 100 pages
File Size : 17,45 MB
Release : 1935
Category : Dredging
ISBN :
Author : California. Division of Mines
Publisher :
Page : 1184 pages
File Size : 26,71 MB
Release : 1935
Category : Geology
ISBN :
Author :
Publisher :
Page : 640 pages
File Size : 40,9 MB
Release : 1928
Category : Engineering
ISBN :
Author :
Publisher :
Page : 502 pages
File Size : 37,23 MB
Release : 1932
Category : Gold mines and mining
ISBN :