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Wallis and Marilyn Kimble Northwest History Database
  • Subjects: Rainbow Mining company
(4 results)



Display: 20

    • Northwest history. Mining. Corporations & mergers. 1937-05-15


    • Rainbow absorbs butte mine holdings.

    • 1937

    • Rainbow absorbs butte mine holdings. - A meeting of Butte Mining company is being held in Spokane today to ratify a conveyance of the property to Rainbow Mining company. George Austin of Spokane is president of both companies. The properties are...
    • Northwest history. Mining. Corporations & mergers. 1937-05-15
    • Northwest history. Mining. Discovery. 1929-04-16


    • Rainbow mines strike rich ore.

    • 1929

    • Rainbow mines strike rich ore. - Third of four properties yields silver and lead -- assays high. - The Rainbow Mining company has struck a rich body of silver-lead ore in the third of its four groups of properties, this one being about 16 miles...
    • Northwest history. Mining. Discovery. 1929-04-16
    • Northwest history. Mining. Drilling. 1928-11-05


    • Rainbow diamond drill jabs good ore at 500 feet.

    • 1928

    • Rainbow diamond drill jabs good ore at 500 feet. - The first diamond drill hole in the property west of Pine creek owned by the Rainbow Mining company penetrated the ground 680 feet and cut the vein at about 500 feet, according to George Austin,...
    • Northwest history. Mining. Drilling. 1928-11-05
    • Northwest history. Mining. Exploration. 1935-10-21


    • Rainbow drillers cutting into ore

    • 1935

    • Rainbow drillers cutting into ore
      Underground nearly 1000 feet, the Rainbow Mining company has drifted more than 400 feet, following the vein to reach points under where diamond holes from the surface cut the vein at right angles. This property...
    • Northwest history. Mining. Exploration. 1935-10-21

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