by United States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels
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Santa Barbara oil pollution
Lead-zinc stabilization
Upper Great Lakes iron ore industry prob...
Necessity for implementing Public law 73...
Fuels and energy
Geothermal steam leasing
Clays in several parts of Kentucky
Les gisements de Chaillac (Indre)
Fluorspar Mining
Fluorspar
Geologic guide to a portion of the fluor...
Barite and fluorspar in Ontario: resourc...