Coal Resources of Washington County, Pennsylvania
Author : Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher :
Page : 96 pages
File Size : 20,21 MB
Release : 1987
Category : Coal
ISBN :
Author : Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher :
Page : 96 pages
File Size : 20,21 MB
Release : 1987
Category : Coal
ISBN :
Author :
Publisher :
Page : 96 pages
File Size : 24,96 MB
Release : 1987
Category :
ISBN :
Author :
Publisher :
Page : pages
File Size : 38,69 MB
Release : 1987
Category : Coal
ISBN :
Author :
Publisher :
Page : 212 pages
File Size : 32,27 MB
Release : 1987
Category : Coal
ISBN :
Author :
Publisher :
Page : pages
File Size : 23,79 MB
Release : 1987
Category : Coal
ISBN :
Author : John F. Reese
Publisher :
Page : 12 pages
File Size : 46,15 MB
Release : 1922
Category : Coal mines and mining
ISBN :
Author : Donald R. Williams
Publisher :
Page : 226 pages
File Size : 29,4 MB
Release : 1993
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 202 pages
File Size : 45,52 MB
Release : 1987
Category : Bituminous coal
ISBN :
Author :
Publisher :
Page : 210 pages
File Size : 41,88 MB
Release : 1987
Category :
ISBN :
Author : James Donaldson Sisler
Publisher :
Page : 16 pages
File Size : 34,40 MB
Release : 1922
Category : Coal mines and mining
ISBN :