Colorado Ferberite and the Wolframite Series
Author : Frank Lee Hess
Publisher :
Page : 106 pages
File Size : 41,81 MB
Release : 1914
Category : Ferberite
ISBN :
Author : Frank Lee Hess
Publisher :
Page : 106 pages
File Size : 41,81 MB
Release : 1914
Category : Ferberite
ISBN :
Author :
Publisher :
Page : 848 pages
File Size : 30,61 MB
Release : 1915
Category : Geology
ISBN :
Author :
Publisher :
Page : 894 pages
File Size : 27,72 MB
Release : 1933
Category : Mines and mineral resources
ISBN :
Author : William O. Vanderburg
Publisher :
Page : 20 pages
File Size : 34,54 MB
Release : 1932
Category : Mines and mineral resources
ISBN :
Author : George Edward McElroy
Publisher :
Page : 654 pages
File Size : 41,45 MB
Release : 1932
Category : Mine ventilation
ISBN :
Author : William O. Vanderburg
Publisher :
Page : 34 pages
File Size : 38,67 MB
Release : 1935
Category : Tungsten
ISBN :
Author : Geological Survey (U.S.)
Publisher :
Page : 102 pages
File Size : 44,26 MB
Release : 1914
Category : Geology
ISBN :
Author : William O. Vanderburg
Publisher :
Page : 22 pages
File Size : 48,93 MB
Release : 1933
Category : Mines and mineral resources
ISBN :
This paper describing the practice at the Wolf Tongue concentrator at Nederland, Colo., is one of a series on similar subjects being published by the United States Bureau of Mines. The author acknowledges the assistance fo William Loach, manager fo the Wolf tongue Mining Co., and of W.G. Roseborough, superindtendent of the Wolf Tongue mill, in the preparation of this paper
Author : Richard Pennefather Rothwell
Publisher :
Page : 1046 pages
File Size : 16,9 MB
Release : 1915
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 1048 pages
File Size : 28,73 MB
Release : 1915
Category : Mineral industries
ISBN :