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  1. The recovery of potash from alunite /
    By: Waggaman, William H.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1916.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Alunite  Internet resource  Potash  Potassium salts  
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  2. Some effects of potassium salts on soils ...
    By: Smith, Raymond Stratton,
    Publication info: Ithaca, N.Y.,1920
    Contributed by: Library of Congress
    Subjects: Potassium salts  Soils  
    BHL Collections: Library of Congress
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