Author : W. I. Nelson
Publisher :
Page : 30 pages
File Size : 31,64 MB
Release : 1932
Category : Copper mines and mining
ISBN :
Author : J. B. Carman
Publisher :
Page : 52 pages
File Size : 21,33 MB
Release : 1932
Category : Molybdenum ores
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 1442 pages
File Size : 31,91 MB
Release : 1935
Category :
ISBN :
Author :
Publisher :
Page : 192 pages
File Size : 42,36 MB
Release : 1936
Category :
ISBN :
Author : Albert Lawrence Godbert
Publisher :
Page : 1200 pages
File Size : 45,30 MB
Release : 1935
Category : Chemistry, Inorganic
ISBN :
Author :
Publisher :
Page : 570 pages
File Size : 43,96 MB
Release : 1955
Category : Floods
ISBN :
Author : Thomas Garfield Chapman
Publisher :
Page : 174 pages
File Size : 19,67 MB
Release : 1936
Category : Copper ores
ISBN :
Author : T. G. Chapman
Publisher :
Page : 56 pages
File Size : 31,42 MB
Release : 1934
Category : Copper mines and mining
ISBN :
During the past 20 years the milling of copper ores as practiced in the larger concentrators has changed to such an extent that comparatively few of the machines in use at the beginning of this period remain in service today.
Author : Charles Freeman Jackson
Publisher :
Page : 538 pages
File Size : 19,17 MB
Release : 1939
Category : Mining engineering
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 532 pages
File Size : 10,35 MB
Release : 1938
Category : Mineral industries
ISBN :
