Subsidence and Ground Movement in the Copper and Iron Mines of the Upper Peninsula, Michigan (open access)

Subsidence and Ground Movement in the Copper and Iron Mines of the Upper Peninsula, Michigan

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.
System: The UNT Digital Library