Coal resources of Butler County, Pennsylvania
part 1, Coal crop lines, mined-out areas, and structure contours
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Author
Contributions
- Pennsylvania. Bureau of Topographic and Geologic Survey - Contributor
Publication
1985 - Pennsylvania Geological Survey, Harrisburg, Pennsylvania
Language
English
Word Count
28,000 words, Guess
Page Count
112 pages
Identifiers
- OCLC Control Number13741010
- Open LibraryOL16549174M
Subjects
Topics
Places
Series Statement
- Mineral resource report -- 90, pt. 1
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