Zinc-Lead Ore Reserves of the Tri-State District, Missouri-Kansas-Oklahoma (open access)

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 (open access)

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