Grade and tonnage relationships among copper deposits /
| Main Authors: | , , , |
|---|---|
| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington :
United States Department of the Interior, Geological Survey,
1975.
|
| Series: | Geological Survey professional paper ;
907-A-B. Geology and resources of copper deposits. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo88839 |
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