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51
Recent Progress in the Thawing of Frozen Gravel in Placer Mining
Technical paper issued by the Bureau of Mines over progress made for thawing gravel in placer mines. Different thawing tests are presented and discussed. This paper includes tables, photographs, and illustrations.
Date:
June 1922
Creator:
Janin, Charles
System:
The UNT Digital Library
The Synthetic Liquid Fuel Potential of Oklahoma
Report documenting the suitability of Oklahoma for plant locations to produce synthetic liquid fuels, based on raw materials, water sources, and local interest.
Date:
June 15, 1951
Creator:
Ford, Bacon, and Davis
System:
The UNT Digital Library
The Synthetic Liquid Fuel Potential of Washington
Report documenting the suitability of Washington for plant locations to produce synthetic liquid fuels, based on raw materials, water sources, and local interest.
Date:
June 29, 1951
Creator:
Ford, Bacon, and Davis
System:
The UNT Digital Library