220 



ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



thetically with 7 others, coA^ering all the work done by the bureau 

 except certain areas survej'ed in cooperation with other bureaus and 

 departments of the Government. 



The statistical details of the work of the year are shown in the 

 tables appended to this report. It will suffice to mention that of the 

 total area of 37,225 square miles covered in detailed work during the 

 year, 15,981 square miles were included in the cotton States and 2,230 

 square miles in the Pacific Coast States. The rest of the work was 

 done in the States east of the Eocky Mountains and north of the 

 cotton States. 



The study of the relation of soils to truck crops was carried on 

 during the year mainly in the Norfolk district and on the eastern 

 shore of Maryland and Virginia. Field Avork Avas completed in the 

 Norfolk district in the autumn of 1916 and the report on the area 

 was prepared during the winter. Work on the eastern shore was 

 begun early in the spring of 1917 and continued to the end of the 

 fiscal year. 



The land classification work in the National Forests coA^ered about 

 35 projects, located in 10 States. The field Avork and reports were 

 completed for all of them, and about half of them have been finally 

 approved and passed on to the Forest Service. 



Cooperation Avith the Office of Indian Affairs, the I^eclamation 

 Service, and with the Bureau of Plant Industry of this department 

 was carried out in a number of projects in Arizona, AVyoming, Utah, 

 and Maine during the year. 



The Section of Soil Information and Advice has answ^ered a great 

 many inquiries and given much local advice in person during the 

 year. The work of the section w^as greatly increased by the agita- 

 tion for garden planting* last spring. 



On aci^ount c^f the necessity for increasing the production of food 

 crops to meet the present situation an investigation of the records 

 and results of the soil survey was begun during the year to determine 

 the soils most productiA'e of the staple crops. The investigation has 

 covered up to the present time the soils used for the production of 

 corn and Avheat and their relative importance. 



Table I. — Individual areas surveyed and mapped during the fiscal year ended 



June 30, 1917. 



DETAILED. 



Alabama . 



Arizona . . 

 Arkansas 



California 



Florida... 

 Georgia... 



Fayette County.. 

 Lowndes County. 

 Marengo County . . 

 Monroe County. . 

 Morgan County . . 



Shelby County 



St. Clair County.. 

 Gila Valley area.. 



Drew County 



Faulkner County . 

 Howard County... 

 Santa Maria area. 



A'entura area 



St. Johns County . 

 Burke County.. . 

 Jasper County . . . 

 Lowndes County. 

 Mitchell County.. 



643 

 138 

 207 

 259 

 150 

 540 

 645 

 295 

 847 

 651 

 602 

 323 

 739 

 655 

 956 

 379 

 482 

 250 



411,520 

 88,320 

 132, 480 

 165, 760 

 96,000 

 345, (JOO 

 412, 800 

 188,800 

 542,080 

 416,640 

 385, 280 

 206, 7'20 

 472,960 

 419,200 

 611,840 

 242,560 

 308.480 

 160,000 



