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Petrography of the Upper Freeport coal, Harmar and Springdale Mines, Allegheny and Westmoreland Counties, Pennsylvania.
LIBRA TN805.P4 K62
Available from offsite location
- Format:
- Book
- Author/Creator:
- Koppe, Edwin F.
- Series:
- Pennsylvania. Topographic and Geological Survey. Bulletin ; M48.
- Pennsylvania. Topographic and Geologic Survey. Mineral resources Report M48
- Language:
- English
- Subjects (All):
- Coal--Pennsylvania.
- Coal.
- Pennsylvania.
- Physical Description:
- 43 pages : illustrations ; 23 cm.
- Place of Publication:
- Harrisburg, [publisher not identified], 1963.
- Notes:
- "Pennsylvania Geological Survey fourth series."
- Bibliography: pages 33-34.
- OCLC:
- 1949386
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