The Permian rocks of the Trans-Pecos Region : November 6-9, 1949 /
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| Format: | Book |
| Language: | English |
| Published: |
[Midland, Tex.] :
The Society,
1949.
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| Series: | Its Field trip guidebook ;
1949, no. 4 |
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| Item Description: | Cover title. |
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| Physical Description: | 94 pages : illustrations, maps ; 29 cm. |