Coal Resources of Washington County, Pennsylvania
Author : Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher :
Page : 96 pages
File Size : 14,25 MB
Release : 1987
Category : Coal
ISBN :
Author : Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher :
Page : 96 pages
File Size : 14,25 MB
Release : 1987
Category : Coal
ISBN :
Author :
Publisher :
Page : 96 pages
File Size : 40,33 MB
Release : 1987
Category :
ISBN :
Author :
Publisher :
Page : pages
File Size : 30,94 MB
Release : 1987
Category : Coal
ISBN :
Author :
Publisher :
Page : 212 pages
File Size : 34,87 MB
Release : 1987
Category : Coal
ISBN :
Author :
Publisher :
Page : pages
File Size : 19,96 MB
Release : 1987
Category : Coal
ISBN :
Author : John F. Reese
Publisher :
Page : 12 pages
File Size : 43,80 MB
Release : 1922
Category : Coal mines and mining
ISBN :
Author : Donald R. Williams
Publisher :
Page : 226 pages
File Size : 46,34 MB
Release : 1993
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 202 pages
File Size : 45,35 MB
Release : 1987
Category : Bituminous coal
ISBN :
Author :
Publisher :
Page : 210 pages
File Size : 38,32 MB
Release : 1987
Category :
ISBN :
Author : James Donaldson Sisler
Publisher :
Page : 16 pages
File Size : 43,38 MB
Release : 1922
Category : Coal mines and mining
ISBN :