Subsidence and Ground Movement in the Copper and Iron Mines of the Upper Peninsula, Michigan
Description:
Report issued by the Bureau of Mines over studies conducted on the ground movement and support failure of Michigan mines. Factors involved in surface subsidence in the mines are discussed. This report includes tables, maps, illustrations, and photographs.
Date:
1929
Creator:
Crane, Walter R.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department