Development of Mineral Resources of the Public Lands of the United States: Hearings Before a Subcommittee of the Committee on Public Lands and Surveys, United States Senate, Seventy-seventh Congress, First Session, Pursuant to S. Res. 53, a Resolution Providing for an Investigation with Respect to the Development of the Mineral Resources of the Public Lands of the United States and Laws Relating TheretoU.S. Government Printing Office, 1942 - 1562 strani |
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