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Index / Mining & Minerals - Evaluations / Mineral Exploration Activities - General

10/19/2009 by John H. DeYoung, Jr., USGS
http://minerals.usgs.gov/minerals/pubs/usbmmyb.html
Chronologic listing of "Minerals Yearbooks" by the US Bureau of Mines, 1932-1993

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Open Resource  |  2009/10/19  |  472 Report Broken   Tell Friend

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