Report of Investigations
Author :
Publisher :
Page : 758 pages
File Size : 44,40 MB
Release : 1955
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 758 pages
File Size : 44,40 MB
Release : 1955
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 306 pages
File Size : 44,1 MB
Release : 1955
Category : Mineral industries
ISBN :
Author :
Publisher :
Page : 454 pages
File Size : 37,51 MB
Release : 1975
Category : Geology
ISBN :
Author : W. H. Kerns
Publisher :
Page : 212 pages
File Size : 38,43 MB
Release : 1948
Category : Bedford County (Pa.)
ISBN :
Author : Robert D. Thomson
Publisher :
Page : 548 pages
File Size : 29,59 MB
Release : 1975
Category : Anthracite coal
ISBN :
Author :
Publisher :
Page : 586 pages
File Size : 12,26 MB
Release : 1958
Category : Mines and mineral resources
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Author : United States. Bureau of Mines
Publisher :
Page : 930 pages
File Size : 44,84 MB
Release : 1974
Category : Power resources
ISBN :
Author :
Publisher :
Page : 618 pages
File Size : 29,93 MB
Release : 1956
Category : Mineral industries
ISBN :
Author : United States. Bureau of Mines. Technical Library, Pittsburgh
Publisher :
Page : 792 pages
File Size : 40,65 MB
Release : 1968
Category : Library catalogs
ISBN :
Author : Daniel W. Lester
Publisher :
Page : 576 pages
File Size : 47,80 MB
Release : 1980
Category : Government publications
ISBN :