Closure of underground copper mines
Subtitle: hearing before the Subcommittee on Minerals, Materials, and Fuels of the Committee on Interior and Insular Affairs, United States Senate, Ninety-third Congress, second session, to review the Anaconda Company's plans to close its underground copper mines in Butte, Montana, November 25, 1974.
Publisher: U.S. Govt. Print. Off.
Published: 1975
Place of publication: Washington
Language: eng
Number of pages: 123
Subjects: Anaconda Company.; Copper mines and mining -- Montana -- Butte.; Copper mines and mining -- United States.