Author : M. R. McKenzie
Publisher :
Page : 1336 pages
File Size : 34,39 MB
Release : 1932
Category : Gold ores
ISBN :
This paper describing the milling methods at the Walkermine concentrator, Plumas County, Calif., is one of a series being prepared by the United States Bureau of Mines on milling methods and costs in the various mining districts throughout the United States
Author : United States. Bureau of Mines
Publisher :
Page : pages
File Size : 11,92 MB
Release : 1932
Category :
ISBN :
Author : M. R. McKenzie
Publisher :
Page : 20 pages
File Size : 49,27 MB
Release : 1932
Category : Gold ores
ISBN :
This paper describing the milling methods at the Walkermine concentrator, Plumas County, Calif., is one of a series being prepared by the United States Bureau of Mines on milling methods and costs in the various mining districts throughout the United States.
Author :
Publisher :
Page : 1056 pages
File Size : 40,31 MB
Release : 1932
Category : Mines and mineral resources
ISBN :
Author : H. G. Skavlem
Publisher :
Page : 644 pages
File Size : 46,34 MB
Release : 1933
Category : Gold mines and mining
ISBN :
Author : Alexander M. Gow (engineer.)
Publisher :
Page : 38 pages
File Size : 16,78 MB
Release : 1934
Category : Grinding and polishing
ISBN :
Author : John Roy Thoenen
Publisher :
Page : 110 pages
File Size : 33,89 MB
Release : 1935
Category : Mines and mineral resources
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 532 pages
File Size : 14,77 MB
Release : 1938
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 192 pages
File Size : 43,48 MB
Release : 1936
Category :
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 1442 pages
File Size : 41,98 MB
Release : 1935
Category :
ISBN :
