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PUBLICATIONS OF THE UNITED STATES DEPARTMENT OF AGRICUL- 
TURE RELATING TO THE PRODUCTION OF POTASH. 
AVAILABLE FOR FREE DISTRIBUTION BY THE DEPARTMENT. 
The Topographic Features of the Desert Basin of the United States with Reference 
to the Possible Occurrence of Potash. Department Bulletin No. 54. 
Potash Salts and other Salines in the Great Basin Region. Department Bulletin 
No. 61. 
Investigation of the Otero Basin, New Mexico, for Potash Salts. Soils Circular No. 61. 
Alunite as a Source of Potash. Soils Circular No. 70. 
The Extraction of Potash from Silicate Rocks. Soils Circular No. 71. 
Potash from Kelp. Secretary’s Report 100. 
FOR SALE BY THE SUPERINTENDENT OF DOCUMENTS, GOVERNMENT PRINTING OFFICE, 
WASHINGTON, D. C. 
The Production and Fertilizer Value of Citric Soluble Phosphoric Acid and Potash. 
Department Bulletin No. 143. Price, 5 cents. 
The Recovery of Potash from Alunite. Department Bulletin No. 415. Price, 5 cents. 
- Possible Sources of Potash in the United States. Year Book, 1912, Separate 611. 
Price, 5 cents. 
Importance of Developing our Natural Resources of Potash. Year Book, 1916, 
Separate 717. Price, 5 cents. 
The Occurrence of Potassium Salts in the Salines of the United States. Soils Bulle- 
tin No. 94. Price, 15 cents. 
Alunite and Kelp as Potash Fertilizers. Soils Circular 76. Price, 5 cents. 
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ADDITIONAL COPIES 
OF THIS PUBLICATION MAY BE PROCURED FROM 
THE SUPERINTENDENT OF DOCUMENTS 
GOVERNMENT PRINTING OFFICE 
WASHINGTON, D. C. 
AT 
5 CENTS PER COPY 
WASHINGTON : GOVERNMENT PRINTING OFFICH : 1917 
