Jasperoid in the United States--its characteristics, origin, and economic significance /
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1972.
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| Series: | Geological Survey professional paper ;
710. |
| Subjects: |
| Physical Description: | vi, 164 pages : illustrations ; 29 cm. |
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| Bibliography: | Bibliography: pages 149-155. |