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Engineering Report on the Drilling in the Upper Michigan Precambrian Basins, Borehole Logs on Hole DL-3
Borehole logs based on studies in hole DL-3 located in the upper Michigan Precambrian basins.
Date:
1977
Creator:
unknown
System:
The UNT Digital Library
Uranium, Thorium, and Potassium Content of Precambrian Rocks, Upper Peninsula of Michigan and northern Wisconsin
The following report discusses the study of radioelements in precambrian rock samples taken from the upper peninsula of Michigan and northern Wisconsin.
Date:
February 1977
Creator:
Kalliokoski, Jorma O.
System:
The UNT Digital Library