Coal geology of northern Appalachians : field trip guidebook in conjunction with the Ninth International Congress of Carboniferous Stratigraphy and Geology, May 10-May 16, 1979 /
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| Other Authors: | , |
| Format: | Conference Proceeding Book |
| Language: | English |
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Pittsburgh :
Dept. of Geology and Planetary Science, University of Pittsburgh,
[1979]
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