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You searched for: All Subjects Geology--Pennsylvania. Remove constraint All Subjects: Geology--Pennsylvania. Subject Topical Coal--Pennsylvania. Remove constraint Subject Topical: Coal--Pennsylvania.
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1. The Pittsburg coal bed : an address...

Creator Personal:
White, I. C. (Israel Charles), 1848-1927.
Title:
The Pittsburg coal bed : an address...
Call Number:
P2968
Date:
1897
Description:
Journal article reprint from: The Proceedings of the American Association for the Advancement of Science, v.46 (1897).
Subject Topical:
Geology--Pennsylvania., Coal--Pennsylvania.
All:
Geology--Pennsylvania., Coal--Pennsylvania.