SOILS AND FERTILIZERS 7 



FERTILIZERS Continued. 



Potatoes. Fertilizers for potato soils. 1910. 19 pages. Paper, 5c. 



A 26.3 : 65 



Preliminary report on fertilizer resources of United States. 1911. 290 

 pages, illus., maps. (62d Cong., 2d sess., S. Doc. 190.) Paper, 75c; 

 buckram, 90c. 



Contains reports on the natural phosphates of Tennessee, Kentucky, and Arkan- 

 sas, the manufacture of acid phosphate and sulphuric acid, and kelps of the coasts 

 of United States and Alaska. 



Wheat. Fertilizers for wheat soils. 1910. 48 pages, illus. Paper, lOc. 



A 26.3 : 66 



Wire-basket method for determining manurial requirements of soils. 1905. 

 6 pages, illus. Paper, 5c. A 26.4 : 18 



See also, in this list, headings Alunite City street sweepings Fish-scrap 

 Manganese Organic constituents Phosphates Slag. 



FIELD OPERATIONS 



The Field Operations is a collection of the reports on the soil surveys of the 

 year with the accompanying maps. In addition to the descriptions of the soils of 

 the section, a short history is given of the settlement of the district, its state of 

 agricultural development, the class of people inhabiting the section, and which 

 crops can be raised most profitably. 



1899 [1st report.] 198 pages, illus., and 11 colored maps in case. Cloth, 

 text and maps, 95c. A 1.8 : 64 



CONTENTS : 



Application of theory of solutions to study of soils. 



Some necessary modifications in method of mechanical analysis as applied to 



alkali soils. 



Salts as influencing rate of evaporation from soils. 

 Reconnaissances in Cache a la Poudre Valley, Colo., and Sanpete, Cache, and 



Utah counties, Utah. 

 Soil surveys of following areas : 



Connecticut Valley. Utah : 



New Mexico. Salt Lake Valley. 



Pecos Valley. 



3902, 4th report. 842 pages, illus., and 44 colored maps in case. Cloth, text 

 and maps, $3.80. A 26.5 : 902 



In this volume are reports of surveys of areas named below : 



Alabama. Kansas. Ohio. 



Perry Co. Wichita area. Columbus area. 



Arizona. Kentucky. Toledo area. 



Yuma area. Union Co. Porto Rico. 



Arkansas. Mississippi. Arecibo to Ponce. 



Stuttgart area. Smedes area. South Carolina. 



Colorado. Missouri. Abbeville area. 



Lower Arkansas Howell Co. Darlington area. 



Valley. Montana. Texas. 



Idaho. Billings area. Brazoria area. 



Lewiston area. New Jersey. Vernon area. 



Illinois. Trenton area. Virginia. 



Clay Co. New York. Albeinarle area. 



Clinton Co. Bigflats area. Washington. 



St. Clair Co. Lyons area. . Walla Walla area. 



Tazewell Co. North Carolina. Wisconsin. 



Indiana. Hickory area. Janesville area. 



Posey Co. Mount Mitchell area. 



Iowa. North Dakota 



Dubuque area. Grand Forks area. 



1903, 5th report. 1310 pages, illus., and 78 colored maps in case. Cloth, 

 text and maps, $6.35. A 26.5 : 903 



In this volume are reports of surveys of areas named below : 



Alabama. Colorado. Illinois Con. 



Fort Payne area. San Luis Valley. Knox Co. 



Hnntsville area. Connecticut Valley. McLean Co. 



Mobile area. Delaware. Sangamon Co. 



Arizona. I' over area. Winnebago Co. 



Solomonsville area. Florida. Indiana. 



Arkansas. Gadsden Co. Madison Co. 



Miller Co. Georgia. Iowa. 



California. Fort Valley area. Cerro Gordo Co. 



Imperial area. Idaho. Story Co. 



Indio area. Blackfbot area. Kansas. 



Los Angeles area. Illinois. Parsons area. 



San Jose area. Johnson Co. Russell area. 



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

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



