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+"Northern Michigan United States USA" +1927 stock footage and images
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Mine workers board a man-car inside a copper mine in Northern Michigan, USA.
View of a copper mine in Northern Michigan, USA. A shift of miners transported to underground stope via man-cars. Miners board the man car. The car descends down the mine. Travel shots of the haulage tracks running inside the drift. Timber blocks support the ceiling of the drift.
Miners with an 8 ton find of copper in a copper mine in Michigan
Mine workers climb a steep slope of a stope at a copper mine in Northern Michigan, USA. Large timber blocks support the ceiling of the stope. Miners around a large mass of copper weighing approximately 8-tons.
Filled stope method being implemented at a copper mine in Northern Michigan, USA.
Copper rocks sorted from waste at a stope of a copper mine in Northern Michigan, USA. Miners fill ore car with waste rock from a chute. Waste rock is dumped into the stope for filling the stope. Miner draws sorted ore from a chute into an ore car.
Copper ore is loaded on skips and lifted to upper levels by large hoisting machine at a copper mine in Northern Michigan,USA.
Mine workers load copper ore onto skips from ore car at a copper mine in Northern Michigan, USA. Ore is lifted from mine to the upper levels. View of large hoisting machine at work. Miners arrive at the shaft station on a man car. Miners disembark the man-car.