
USGS Mineral Resources Program:
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| U.S. Geological Survey Fact Sheet 0008-98 |
| Version 1.0 |
| Published 1998 |
| The text of this report is presented here in Portable Document Format. The latest version of Adobe Acrobat Reader® or similar software is required to view it. If you wish to download the latest version of Acrobat Reader® free of charge, click here. |
| Fact Sheet PDF file (1.15 MB) | For viewing and printing. |
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