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+"Michigan United States USA" +1927 stock footage and images
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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.