![](https://www.pdfsearch.io/img/79117cf6533a79e523a3d43d2f0f464a.jpg) Date: 2017-06-23 13:35:16
| | Mineral Industry Surveys For information, contact: Elizabeth S. Sangine, Chief, Mineral Commodities Section National Minerals Information Center U.S. Geological Survey 989 National CenterAdd to Reading ListSource URL: minerals.usgs.govDownload Document from Source Website File Size: 82,94 KBShare Document on Facebook
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