Synthetic Liquid Fuels: Annual Report of the Secretary of the Interior for 1951; Part 1 - Oil from Coal (open access)

Synthetic Liquid Fuels: Annual Report of the Secretary of the Interior for 1951; Part 1 - Oil from Coal

Report issued by the Bureau of Mines over an annual study of synthetic liquid fuel production. Results of the annual study are presented and discussed. This report includes maps, tables, illustrations, and photographs.
Date: July 1952
Creator: unknown
System: The UNT Digital Library
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