Showing 1 - 4 of 4 , query time: 0.01s
Cover Image
Format:
Image
Wood framing used to support walls and overhead in the mine at Gilman, known as "Mitchell Sets"
Cover Image
Format:
Image
Mine stope showing the reinforcing timbers used. On the left side of the picture is a thermometer used to monitor temperatures.
Cover Image
Format:
Image
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.
Cover Image
Format:
Image
Wood framing used to support walls and overhead in the mine at Gilman, known as "Mitchell Sets"