Three Hours To Gold From Southern California
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METAL DETECTING FOR EOLIAN AND ELUVIAL PLACER USING VLF AND PI-TYPE DETECTORS WITHIN THE RANDSBURG QUADRANGLE AND OUTLYING DISTRICTS AN UPDATED HISTORY FROM 1910 TO 2010 GOLD, SILVER AND TUNGSTEN MINING IN THE RANDSBURG QUADRANGLE CALIFORNIA BY Jim Straight BS Geological Engineering
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