Download or read book Coal Resources of Butler County Pennsylvania written by Elmer Davisson Patterson and published by . This book was released on 1971 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared in cooperation with the Pennsylvania Geological Survey.
Download or read book Coal Resources of Western Pennsylvania written by Geological Survey (U.S.) and published by . This book was released on 1964 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Coal Resources of Beaver County Pennsylvania written by Elmer Davisson Patterson and published by . This book was released on 1963 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepared in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey.
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Download or read book Catalog of Books and Reports in the Bureau of Mines Technical Library Pittsburgh Pa written by United States. Bureau of Mines. Technical Library, Pittsburgh and published by . This book was released on 1968 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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