20 PRICE LIST 46 TTH EDITION 



SOILS BUREAU CIRCULAR Continued. 



63. Soils of eastern United States and their use: 36, Volusia silt loam. 



Paper, 5c. 



64. Same: 37, Hagerstown clay. Paper, 5c. 



65. Same: 38, Muck and peat. Paper, 5c. 



66. City street sweepings as fertilizer. Paper, 5c. 



67. Sponge spicules in swamp soils. Paper, oc. 



68. Soils of eastern United States and their use : 39, Meadow. Paper, 5c. 



69. Same: 40, Marsh and swamp. Paper, 5c. 



71. Extraction of potash from silicate rocks. Paper, oc. 



72. Soil survey of Payne prairie, Gainesville area, Fla. Paper, 5c. 



73. Nitrate prospects in Amargosa Valtey, near Tecopa, Cal. Paper, 5c. 



74. Organic constituents of soil. Paper, 5c. 



75. Manganese as fertilizer. Paper, 5c. 



76. Alunite and kelp as potash fertilizers. Paper, 5c. 



77. Never will be printed. 



78. Never will be printed. 



79. Soils of Slitter Basin, revisio-n in survey of certain soils in Marysville 



area, Cal. Paper, 5c. [Last Circular of this series.] 



SPONGE SPICULES in swamp soils. 1912. 4 pages, ill us. Paper, 5e. 



A 26.4 : 67 



STEAM-HEATED SOILS, Chemistry of. 1912. 37 pages, illus. Paper, 5c. 



A 20.3: 89 

 SURVEYS. 



A list of soil surveys, giving alphabetically by States the soil surveys con- 

 templated and in progress, may be obtained ui>oii application to the Soils 

 Bureau, Agriculture Department. 

 Extension and practical application of soil surveys. 1904. Pages 111 to 



117. Paper, 5c. A W3 :l : So34* 



Purpose of soil survey. (In Agriculture Yearbook. 1901, pages 117 to 132.) 



Cloth, 80c. A 1.10 : 901 



Use of soil surveys. Pages 181 to 1S8. [From Agriculture Yearbook. 1906.] 

 Paper, 5c. A 1.10" : 415 



Utility of soil surveys in the West. 1904. Pages 121 to 123. [From Experi- 

 ment Stations Bulletin 142.] Paper, 5c. A 10.3 a : So 34 6 



SUTTER BASIN, CAL. Soils of Sntter Basin, revision in survey of certain 

 soils in Marysville area, Cal. 1913. 10 pages, 1 illus. Paper, 5c. 



A 2(5.4 : 79 



TATTNALL COUNTY, GA., Reconnoi: ssance soil survey. 18 pages, illns. [From 

 Field Operations, 1912.] Paper, 5c. A 26.5 a : T 189 



TEMPERATURE. Electrical method of determining temperature of soils. 1897. 

 15 pages, diagram. Paper, 5c. A 26.3 : 7 



TIPTON COUNTY, IND., Soil survey. 30 pages, 1 illus. map. [From Field 

 Operations, 1912.] Paper, 15c. A 26.5* : T 499 2 



TOBACCO. 



Bulk fermentation of Connecticut tobacco. [1900.] 10 pages. Paper, oc. 



A 26.4 : 5 

 Experiments in growing Cuban seed tobacco in Alabama. 1906. 32 pages, 



illus. Paper, lOc. A 26.3 : 37 



Experiments in growing Cuban seed tobacco in Texas. 1905. 44 pages. 



Paper, 5c. A 26.3 : 27 



Growing Sumatra tobacco under shade in the Connecticut Valley. 1902. 



31 pages, illus. Paper, lOc. A 26.3 : 20 



Improvement of Virginia fire-cured tobacco. 1907. 40 pages, illus. Paper, 



lOc. A 26.3 : 46 



Tobacco investigations in Ohio. 1905. 38 pages. Paper, 5c. A 26.3 : 29 



NOTE. In ordering publications from this List use the words of the title as far as the 

 first period, and all the composite number which follows the price. 



