Author : Geological Survey of Pennsylvania
Publisher :
Page : 532 pages
File Size : 19,24 MB
Release : 1880
Category : Coal mines and mining
ISBN :
[PDF] Geological Survey Of Pennsylvania eBook
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Topographic and Geologic Survey of Pennsylvania Administrative Report for ...
Author : Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher :
Page : 326 pages
File Size : 23,44 MB
Release : 1906
Category : Pennsylvania
ISBN :
Annual Report of the Geological Survey of Pennsylvania for ...
Author : Geological Survey of Pennsylvania
Publisher :
Page : 856 pages
File Size : 47,28 MB
Release : 1886
Category : Coal mines and mining
ISBN :
Annual Report of the Geological Survey of Pennsylvania ...
Author : Geological Survey of Pennsylvania
Publisher :
Page : 346 pages
File Size : 27,28 MB
Release : 1887
Category : Coal mines and mining
ISBN :
Geological Survey of Pennsylvania
Author : Geological Survey of Pennsylvania
Publisher :
Page : 12 pages
File Size : 48,28 MB
Release : 1873
Category : Geology
ISBN :
Topographic and Geological Survey of Pennsylvania
Author :
Publisher :
Page : 142 pages
File Size : 36,68 MB
Release : 1911
Category :
ISBN :
Geological Survey of Pennsylvania
Author : Geological Survey of Pennsylvania
Publisher :
Page : 1008 pages
File Size : 22,42 MB
Release : 1895
Category : Coal
ISBN :
Annual Report of the Geological Survey of Pennsylvania
Author : Pennsylvania. Geological Survey
Publisher :
Page : 868 pages
File Size : 23,12 MB
Release : 1886
Category : Coal mines and mining
ISBN :
The Publications of the Second Geological Survey of Pennsylvania
Author : Geological Survey of Pennsylvania
Publisher :
Page : 14 pages
File Size : 37,3 MB
Release : 1884
Category :
ISBN :
Annual Report of the Geological Survey of Pennsylvania for 1885-1887
Author : Geological Survey of Pennsylvania
Publisher :
Page : 858 pages
File Size : 45,32 MB
Release : 1886
Category : Coal mines and mining
ISBN :
Includes 3 atlases of fold. plates, fold. maps, fold. tab. which accompany 1885; 1886, pts. 3-4.