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A Petrofabric Study of Tectonic and Mining-Induced Deformations in a Deep Mine (open access)

A Petrofabric Study of Tectonic and Mining-Induced Deformations in a Deep Mine

Report issued by the Bureau of Mines on deep mine tectonic deformities. The deep mine rock was analyzed using a petrofabric technique, and many properties were examined. This report includes photographs and illustrations.
Date: September 1968
Creator: Gresseth, Elbridge W. & Reid, Rolland R.
System: The UNT Digital Library
Thorium and Rare Earth Resources of the Lemhi Pass Area, Idaho and Montana: Summary Report (open access)

Thorium and Rare Earth Resources of the Lemhi Pass Area, Idaho and Montana: Summary Report

The following report discusses thorium and rare earth resources in the Lemhi Pass thorium area where over 200 samples were collected.
Date: July 1968
Creator: Sharp, Byron J. & Hetland, Donald L.
System: The UNT Digital Library