Author : Elmer Davisson Patterson
Publisher :
Page : 150 pages
File Size : 34,8 MB
Release : 1971
Category : Coal
ISBN :
Prepared in cooperation with the Pennsylvania Geological Survey.
Author :
Publisher :
Page : 236 pages
File Size : 12,29 MB
Release : 1985
Category : Coal
ISBN :
Author :
Publisher :
Page : 252 pages
File Size : 42,91 MB
Release : 1985
Category : Coal
ISBN :
Author : Geological Survey (U.S.)
Publisher :
Page : 148 pages
File Size : 13,15 MB
Release : 1964
Category : Coal
ISBN :
Author :
Publisher :
Page : 134 pages
File Size : 22,31 MB
Release : 1981
Category : Coal
ISBN :
Author :
Publisher :
Page : 872 pages
File Size : 32,51 MB
Release : 1975
Category : Mines and mineral resources
ISBN :
Author : Manuel Carrales
Publisher :
Page : 1008 pages
File Size : 34,27 MB
Release : 1975
Category : Petroleum
ISBN :
Author :
Publisher :
Page : 62 pages
File Size : 46,97 MB
Release : 1971
Category : Geology
ISBN :
Author : Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher :
Page : 454 pages
File Size : 40,39 MB
Release : 1928
Category : Bituminous coal
ISBN :
Author : Elmer Davisson Patterson
Publisher :
Page : 94 pages
File Size : 40,28 MB
Release : 1963
Category : Coal
ISBN :
Prepared in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey.
