Mining Methods and Costs at the McIntyre Porcupine Mines, Ltd., Schumacher, Ontario
Author : H. G. Skavlem
Publisher :
Page : 48 pages
File Size : 23,52 MB
Release : 1933
Category : Gold mines and mining
ISBN :
Author : H. G. Skavlem
Publisher :
Page : 48 pages
File Size : 23,52 MB
Release : 1933
Category : Gold mines and mining
ISBN :
Author :
Publisher :
Page : 538 pages
File Size : 47,15 MB
Release : 1910
Category :
ISBN :
Author :
Publisher :
Page : 480 pages
File Size : 46,10 MB
Release : 1933
Category : Mines and mineral resources
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 1442 pages
File Size : 33,7 MB
Release : 1935
Category :
ISBN :
Author : John Roy Thoenen
Publisher :
Page : 110 pages
File Size : 29,6 MB
Release : 1935
Category : Mines and mineral resources
ISBN :
Author : Charles Freeman Jackson
Publisher :
Page : 538 pages
File Size : 42,67 MB
Release : 1939
Category : Mining engineering
ISBN :
Author : Daniel Harrington
Publisher :
Page : 1206 pages
File Size : 31,48 MB
Release : 1939
Category : Coal mine accidents
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 532 pages
File Size : 40,61 MB
Release : 1938
Category : Mineral industries
ISBN :
Author : Charles Freeman Jackson
Publisher :
Page : 306 pages
File Size : 10,43 MB
Release : 1937
Category : Mining engineering
ISBN :
Author : John Roy Thoenen
Publisher :
Page : 1192 pages
File Size : 38,18 MB
Release : 1935
Category : Excavating machinery
ISBN :