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Annual Report of the Geological Survey of Pennsylvania....1885-1887
Content Provider | Internet Archive |
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Author | Geological Survey of Pennsylvania , Pennsylvania Geological Survey (2d |
Organization | University of Michigan |
Language | English |
Publisher | Board of Commissionersfor the Geologicalsurvey |
Publisher Date | 1889-01-01 |
Access Restriction | Open |
Subject Keyword | boston thickness geological anthracite mammoth total thickness buck mountain transverse diameter colored geological boston anthracite red shale bottom split mountain bed coal bed lykens valley |
Content Type | Text |
Resource Type | Book |