Context

Context of Royalty accounting system within the U.S. Geological Survey : oversight hearings before the Subcommittees on Mines and Mining and Oversight and Investigations of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-seventh Congress, first session, on royalty accounting system within the U.S. Geological Survey, hearings held in Washington, D.C., September 23 and October 6, 1981
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