Author : Elmer Davisson Patterson
Publisher :
Page : 94 pages
File Size : 50,4 MB
Release : 1963
Category : Coal
ISBN :
Prepared in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey.
Author : Elmer Davisson Patterson
Publisher :
Page : 150 pages
File Size : 44,25 MB
Release : 1971
Category : Coal
ISBN :
Prepared in cooperation with the Pennsylvania Geological Survey.
Author : Geological Survey (U.S.)
Publisher :
Page : 148 pages
File Size : 36,91 MB
Release : 1964
Category : Coal
ISBN :
Author :
Publisher :
Page : 248 pages
File Size : 43,44 MB
Release : 1988
Category : Geology
ISBN :
Author :
Publisher :
Page : 184 pages
File Size : 19,95 MB
Release : 1972
Category : Geology
ISBN :
Author : Paul Averitt
Publisher :
Page : 28 pages
File Size : 34,8 MB
Release : 1968
Category : Coal
ISBN :
A review and analysis by states of data available on the stripping-coal potential of the United States.
Author : Charles W. Poth
Publisher :
Page : 54 pages
File Size : 41,22 MB
Release : 1973
Category : Geology
ISBN :
Author :
Publisher :
Page : 134 pages
File Size : 29,59 MB
Release : 1981
Category : Coal
ISBN :
Author : Robert D. Thomson
Publisher :
Page : 548 pages
File Size : 21,21 MB
Release : 1975
Category : Anthracite coal
ISBN :
Author :
Publisher :
Page : 872 pages
File Size : 16,30 MB
Release : 1975
Category : Mines and mineral resources
ISBN :
