California, Butte County, Oroville
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Edison Ore Mining & Miocene Mining Co. Oct. 1879 to May 1881 by Major Frank McLaughlin searched for platinum to use in Edison’s electric light globe. Used a process to remove gold from black sands found in mine tailings.
Miocene Mining Co. operated a hydraulic mine on Thompson Flat and extended Davis Ditch from Pentz to Thompson Flat.
(Industry & Commerce • Natural Resources) Includes location, directions, 3 photos, GPS coordinates, map.
Edison Ore Mining & Miocene Mining Co. Oct. 1879 to May 1881 by Major Frank McLaughlin searched for platinum to use in Edison’s electric light globe. Used a process to remove gold from black sands found in mine tailings.Miocene Mining Co. operated a hydraulic mine on Thompson Flat and extended Davis Ditch from Pentz to Thompson Flat.
(Industry & Commerce • Natural Resources) Includes location, directions, 3 photos, GPS coordinates, map.