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General/Base Info:
Portland Mill {aka Victor Mill; On Battle Mountain]
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Info Last updated: 02.07.2022 (09:25:44)
Id No. (Mine / 1902 map):
922
Type:
Cyanidation Mill
Date Located / Formed:
06.1910
Location:
Battle Mountain
Location Map Description:
Discovery / Formed by:
  • Portland Gold Mining Company ()
Status:
Unknown
Fate details:
Closed July 30, 1918; due to small profit even with good extraction.
Owned by:
  • Portland Gold Mining Company
    ->
Known claims:
    Location Claim Description:
    Patented Date:
    Mineral Certificate No.:
    0
    General Land Office No.:
    0
    Known Transportation Connection:
      Extra Info/Details [Linked at One Time to the Entity]:
      Cyanidation Mill
      Known Producing Info:
      March 1918 treated 13,100 tons, at an unknown value per ton.
      General notes:
      The Portland company introduced fine grinding in cyanide solution, without roasting; agitation; and zincdust precipitation in its Victor mill, built at the mine in 1910. The Victor mill began operations in June 1910, and was closed in 1918.