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Thunder Bay
  
  • Thunder Bay Amethyst Mine
    Image       Large amethyst crystals
    Image     Large amethyst crystals
  • Thunder Bay Amethyst Mine
    Image       Large clay-covered amethyst crystals, August 3,1992.
    Image     Large clay-covered amethyst crystals, August 3,1992.
  • Thunder Bay Amethyst Mine
    Image       Photo showing the site of the main office of the Thunder Bay Amethyst Mine, 1970.
    Image     Photo showing the site of the main office of the Thunder Bay Amethyst Mine, 1970.
  • Thunder Bay Amethyst Mine
    Image       Shown here is a 1977 photo of an open mining pit at the Thunder Bay Amethyst Mine.
    Image     Shown here is a 1977 photo of an open mining pit at the Thunder Bay Amethyst Mine.
  • Thunder Bay Amethyst Mine
    Image       Shown here is rock being hosed down to clear off the overburden, in preparation for rock sampling.
    Image     Shown here is rock being hosed down to clear off the overburden, in preparation for rock sampling.
  • Thunder Bay Amethyst Mine
    Image       Shown in this photo is open pit benching. Benching of a steep work face consists of narrow horizontal steps across the slope. The rock is exposed and then inspected. Open pit benching is used where slopes are sufficiently steep, water supply is available, and there is room for the dump ...
    Image     Shown in this photo is open pit benching. Benching of a steep work face consists of narrow horizontal steps across the slope. The rock is exposed and then inspected. Open ...
  • Thunder Bay Amethyst Mine
    Image       Shown here is one of the open pits of the Thunder Bay Amethyst Mine.
    Image     Shown here is one of the open pits of the Thunder Bay Amethyst Mine.
  • Thunder Bay Amethyst Mine
    Image       An aerial view of Thunder Bay Amethyst Mine looking west.
    Image     An aerial view of Thunder Bay Amethyst Mine looking west.
  • Thunder Bay Amethyst Mine
    Image       An aerial view of the Thunder Bay Amethyst Mine looking south, 1985.
    Image     An aerial view of the Thunder Bay Amethyst Mine looking south, 1985.
  • Thunder Bay Amethyst Mine
    Image       A photo showing the use of high pressure washing to expose can cut through overburden and clean bedrock.
    Image     A photo showing the use of high pressure washing to expose can cut through overburden and clean bedrock.
  • Amethyst Mine Panorama
    Image       Early days of Amethyst Mine Panorama
    Image     Early days of Amethyst Mine Panorama
  • Thunder Bay Amethyst Mine
    Image       Photo showing a front-end loader in a pit at the Thunder Bay Amethyst Mine in the 1970's.
    Image     Photo showing a front-end loader in a pit at the Thunder Bay Amethyst Mine in the 1970's.
  • Thunder Bay Amethyst Mine
    Image       Clearing the land for the future site of the Thunder Bay Amethyst Mine in the late 1960's.
    Image     Clearing the land for the future site of the Thunder Bay Amethyst Mine in the late 1960's.
  • Thunder Bay Amethyst Mine
    Image       A photo of a fork lift with a pallet of sorted amethyst.
    Image     A photo of a fork lift with a pallet of sorted amethyst.
  • Thunder Bay Amethyst Mine
    Image       Photo of an unidentified man preparing to blast rock at the Thunder Bay Amethyst Mine in the 1970's.
    Image     Photo of an unidentified man preparing to blast rock at the Thunder Bay Amethyst Mine in the 1970's.
  • Thunder Bay Amethyst Mine
    Image       Mucking in the open pit, 1970's. Muck is the name popularly applied to rock or ore broken from a pit, trench, or underground working. While it is being shoveled out, a portion may be set aside for sampling. Fractions commonly used are one shovelful in every five, ten, or twenty.
    Image     Mucking in the open pit, 1970's. Muck is the name popularly applied to rock or ore broken from a pit, trench, or underground working. While it is being shoveled out, ...
  • Thunder Bay Amethyst Mine
    Image       A 1970's photo of open pit (07) at Thunder Bay Amethyst Mine.
    Image     A 1970's photo of open pit (07) at Thunder Bay Amethyst Mine.
  • Thunder Bay Amethyst Mine
    Image       A 1970's photo showing the sorting tables for the rock samples at the mining site.
    Image     A 1970's photo showing the sorting tables for the rock samples at the mining site.
  • Thunder Bay Amethyst Mine
    Image       Photo showing the washing and sorting area for rock samples at the Thunder Bay Amethyst Mine in the 1970's.
    Image     Photo showing the washing and sorting area for rock samples at the Thunder Bay Amethyst Mine in the 1970's.
  • Thunder Bay Amethyst Mine
    Image       An open pit mine at Thunder Bay Amethyst Mine in the 1970's.
    Image     An open pit mine at Thunder Bay Amethyst Mine in the 1970's.
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