United States Bureau of Mines

Building at the Bruceton Research Center near [[Pittsburgh The United States Bureau of Mines (USBM) was the primary United States government agency in the 20th century that conducted scientific research and disseminated information on the extraction, processing, use, and conservation of mineral resources. The Bureau was abolished in 1996. Provided by Wikipedia
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  1. 1
    Published 1960
    ...Bureau of Mines, United States...
    Printed Book
  2. 2
    Published 1970
    ...Bureau of Mines, United States...
    Printed Book