Mine stopes
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The main shaft house for the New Jersey Zinc Co. is the tall building at far right. The stacked lumber is for mine stoping. This view is facing north.
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Wood framing used to support walls and overhead in the mine at Gilman, known as "Mitchell Sets"
3) Mine stope
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Mine stope showing the reinforcing timbers used. On the left side of the picture is a thermometer used to monitor temperatures.
4) Gilman stope
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A mine "stope" at the Gilman Mine. A stope is an opening made so the ore can be mined. Timbers are used to support walls and overhead for safe mining operations.
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Wood framing used to support walls and overhead in the mine at Gilman, known as "Mitchell Sets"
