Geologic and coal-bed map of Clarion County, Pennsylvania Yale Public content

Author:
Publisher:
U.S. Geological Survey
Subject:
Coal
Geology
Spatial Coverage:
Pennsylvania and Clarion County
Language:
English
Year:
1972
Date Issued:
2012-11-16T19:36:37Z
Date Modified:
2012-11-16T19:36:37Z
Library Catalog Record:
https://search.library.yale.edu/catalog/11120441
Digital Collections Record:
No Digital Collections record

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