To amend an act entitled "An act authorizing investigations by the Secretary of the Interior and the Secretary of Commerce jointly to determine the location, extent, and mode of occurrence of potash deposits in the United States, and to conduct laboratory tests" : hearings before the Committee on Mines and Mining, House of Representatives, Sixty-ninth Congress, second session, on H.R. 15827. February 3, 1927., by United States House Committee on Mines and Mining

Title:	To amend an act entitled "An act authorizing investigations by the Secretary of the Interior and the Secretary of Commerce jointly to determine the location, extent, and mode of occurrence of potash deposits in the United States, and to conduct laboratory tests" : hearings before the Committee on Mines and Mining, House of Representatives, Sixty-ninth Congress, second session, on H.R. 15827. February 3, 1927.
Author:	United States. Congress. House. Committee on Mines and Mining
Note:	G.P.O., 1927

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Subject:	Potash industry and trade -- Government ownership -- United States
Subject:	Potash mines and mining -- United States
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