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+"Montana USA" +1927 stock footage and images
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Air pipes ventilates a drift inside a copper mine at Butte in Montana, USA.
View of ventilated drift inside a copper mine at Butte in Montana, USA. A canvas air pipe runs along the length of the drift. Timber blocks support the ceilings of the drift.
Mine workers board man-cars at Butte in Montana.
Exteriors of a copper mine at Butte in Montana, USA. Sweeping view of mining operations on hillside in background and shops and homes of mining town in foreground. A shift of mine workers waits in queues to enter man-cars at the surface. Miners enter the mine lift elevator cars ready to be lowered in the mine.
Men clearing boulders and debris while constructing the "Going-to-the-Sun" road in Glacier National Park
A crew of workmen throw rocks and stones over a cliff during construction of the "Going-to-the-Sun" road in Glacier National Park. A construction engineer and a National Park Ranger stand nearby. A surveying instrument on a tripod is seen near the edge of the roadway. A small white dog walks near the work crew.
Wet drilling technique implemented to drill a stope inside a copper mine in Butte, Montana.
A mine worker wet-drilling at a stope of a copper mine in Butte, Montana. Water is sprayed from drills onto stope walls that makes sludge of the cutting and prevents dust.
Square set timbering shown in a copper mine
Square Set Timbering is seen inside a stope at a copper mine in Butte, Montana. Timber logs provide a support to the soft and broken rock adjoining the veins of the ore. Mine workers drill inside a stope. Timber placed in square set fashion can be seen.