Quartz crystal deposits of western Arkansas / by A.E.J. Engel.
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington [D.C.] :
U.S. G.P.O.,
1952.
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| Series: | Contributions to economic geology.
Geological Survey bulletin ; 973-E. |
| Subjects: |