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Zinc-Lead Ore Reserves of the Tri-State District, Missouri-Kansas-Oklahoma
Report issued by the Bureau of Mines over studies of zinc-lead reserves in the tri-state area. The results of the studies are presented. This report includes tables, maps, and illustrations.
Date:
July 1949
Creator:
Ruhl, Otto; Allen, Simeon A. & Holt, Stephen P.
System:
The UNT Digital Library
National Motor-Gasoline Survey: Winter 1948-49
Report issued by the Bureau of Mines over surveys conducted on the motor fuels sold during the winter of 1948-1949. The properties of the fuels sampled are presented. This report includes tables, graphs, and maps.
Date:
July 1949
Creator:
Blade, O. C.
System:
The UNT Digital Library