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  • All fields: Mining--Colorado--Boulder County--1940-1950.
(13 results)



Display: 50

    • Nancy Gold Mining and Tunnel Company Mill

    • View of Nancy Gold Mining and Tunnel Company gold extraction mill ruins in Boulder County, Colorado; mine facility has stone walls on hillsides.
    • Boulder County (Colo.)--1940-1950.; Nancy Mine (Colo.)--1940-1950.; Wallstreet (Colo.)--1940-1950.; Mills--Colorado--Boulder County--1940-1950.; Mining--Colorado--Boulder County--1940-1950.; Ruins--Colorado--Boulder County--1940-1950.
    • 1940
    • Nancy Gold Mining and Tunnel Company Mill

    • View of Nancy Gold Mining and Tunnel Company gold extraction mill ruins in Boulder County, Colorado; mine facility has stone walls and arched furnace openings.
    • Boulder County (Colo.)--1940-1950.; Nancy Mine (Colo.)--1940-1950.; Wallstreet (Colo.)--1940-1950.; Mills--Colorado--Boulder County--1940-1950.; Mining--Colorado--Boulder County--1940-1950.; Ruins--Colorado--Boulder County--1940-1950.
    • 1940
    • Hoist, drum & gear, near Ward, Colo.

    • View of an abandoned cable hoist with cog wheels at an unidentified mine in Boulder County, Colorado.
    • Boulder County (Colo.)--1940-1950.; Gearing--Colorado--Boulder County--1940-1950.; Hoisting machinery--Colorado--Boulder County--1940-1950.; Mining--Colorado--Boulder County--1940-1950.
    • [1940?]
    • Slide Mine, jumbo, close-up, 3/4 rear

    • Two men work with compressed air, percussion-type rock drills called a stopers in the Slide Mine in Boulder County, Colorado. The men wear work clothes, hard hats, and electric mine lamps. Rocks and boulders litter the floor of the shaft.
    • Boulder County (Colo.)--1940-1950.; Slide Mine (Boulder County, Colo.)--1940-1950.; Boring--Colorado--Boulder County--1940-1950.; Drilling & boring machinery--Colorado--Boulder County--1940-1950.; Interiors--Colorado--Boulder County--1940-1950.;...
    • [between 1940 and 1950?]
    • Slide Mine - jumbo side, one man

    • A man works in a mine tunnel with a pneumatic drill at probably the Slide Mine in Boulder County, Colorado. He wears a helmet with a lantern.
    • Boulder County (Colo.)--1940-1950.; Slide Mine (Boulder County, Colo.)--1940-1950.; Boring--Colorado--Boulder County--1940-1950.; Drilling & boring machinery--Colorado--Boulder County--1940-1950.; Interiors--Colorado--Boulder County--1940-1950.;...
    • [between 1940 and 1950?]
    • Slide Mine - mucker front / bucket up

    • A man works in a mine tunnel with machinery at probably the Slide Mine in Boulder County, Colorado.; he wears a helmet with lantern.
    • Boulder County (Colo.)--1940-1950.; Slide Mine (Boulder County, Colo.)--1940-1950.; Interiors--Colorado--Boulder County--1940-1950.; Miners--Colorado--Boulder County--1940-1950.; Mining--Colorado--Boulder County--1940-1950.
    • [between 1940 and 1950?]
    • Albion, June 1946

    • A log cabin stands in the right foreground in Albion, a mining district in Boulder County, Colorado. Additional log cabins stand along a dirt road in the background at the base of a rocky mountain covered with patches of snow. The cabins are...
    • Boulder County (Colo.)--1940-1950.; Abandoned buildings--Colorado--Boulder County--1940-1950.; Log cabins--Colorado--Boulder County--1940-1950.; Mining--Colorado--Boulder County--1940-1950.
    • [1946?]
    • Fourth of July mine

    • A long line of tourists snakes across the mountain valley containing the remains of the Fourth of July mine, Boulder County, Colorado. Collapsed wooden buildings and tailings piles comprise the remnants.
    • Boulder County (Colo.)--1940-1950.; Fourth of July Mine (Boulder County, Colo.)--1940-1950.; Mining--Colorado--Boulder County--1940-1950.; Ruins--Colorado--Boulder County--1940-1950.; Tourists--Colorado--Boulder County--1940-1950.
    • 1947
    • Fourth of July mine

    • Tourists walk single file on a trail leading away from the collapsed buildings and tailings piles of the Fourth of July mine site, Boulder County, Colorado.
    • Boulder County (Colo.)--1940-1950.; Fourth of July Mine (Boulder County, Colo.)--1940-1950.; Mining--Colorado--Boulder County--1940-1950.; Ruins--Colorado--Boulder County--1940-1950.; Tourists--Colorado--Boulder County--1940-1950.
    • 1946
    • 4th of July mine shafthouse

    • A dilapidated building near the top of the Continental Divide represents the remains of the shafthouse of the Fourth of July mine in Boulder County, Colorado. It is surrounded by a pile of mine tailings.
    • Boulder County (Colo.)--1940-1950.; Mining--Colorado--Boulder County--1940-1950.
    • 1944
    • 4th of July mine

    • A group of dilapidated buildings represent the remains of the Fourth of July mine in Boulder County, Colorado. Piles of mine tailings, pine trees and rocky hills surround the area.
    • Boulder County (Colo.)--1940-1950.; Mining--Colorado--Boulder County--1940-1950.; Tailings (Metallurgy)--Colorado--Boulder County--1940- 1950.
    • 1944
    • 4th of July mine shafthouse

    • The interior of the shafthouse of the Fourth of July mine in Boulder County, Colorado has machinery and machine parts strewn around. The room is illuminated by sunshine coming through holes in the roof.
    • Boulder County (Colo.)--1940-1950.; Interiors.; Mining--Colorado--Boulder County--1940-1950.
    • 1944
    • 4th of July mine boiler

    • The interior of the shafthouse of the Fourth of July mine in Boulder County, Colorado has a large boiler surrounded by bricks that have fallen into rubble. Roof beams are scattered across the floor, and sun is shining through both a broken window...
    • Boulder County (Colo.)--1940-1950.; Interiors.; Mining--Colorado--Boulder County--1940-1950.
    • 1944

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