The Origin of Pennsylvania Coal

Preliminary reports on the geology of Pennsylvania.

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Work Title The Origin of Pennsylvania Coal
Subtitle PAGS Progress Report no.8
Access
Open Access
Creators
  1. George H. Ashley
Keyword
  1. PAGS Progress Reports
License Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Work Type Book
Publisher
  1. Pennsylvania Bureau of Topographic and Geologic Survey
Publication Date May 30, 1920
Deposited September 25, 2014

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Version 1
published

  • Created
  • Added t765373529_version1_PAGS_Progress_Report_no.008.pdf
  • Added Creator George H. Ashley
  • Published