Authorizing Joint Investigations by the U.S. Geological Survey and the Bureau of Soils of the U.S. Department of Agriculture To Determine the Location and Extent of Potash Deposits or Occurrence in the U.S. and Improved Methods of Recovering Potash Therefrom. hearings before the United States House Committee on Mines and Mining, Sixty-Eighth Congress, first session, on June 3, 1924. <Part 1> :

Considers (68) S. 3047.