16 



Yearbook of the Department of AffricuUwe, 1921. 



^x. S- 8.— T)^rfe-quarters of the farm land is in the Mississippi Valley. Or considering 

 the distribution with reference to rainfall, two-thirds is humid farm land in the East, 

 and one-third is mostly arid, semiarid, or irrigated farm lanr" in the West. In The East 

 the land not in farms is hilly, stony, sandy, swampy, or infertile, and nearly all in 

 forest or recently cut over. (See Fis. 13.) But in the West onlv one-sixth of the land 

 ?o K farms IS m forest, and one-ninth in woodland and chaparral, while one-sixteenth 

 js ab.solute desert, the remaining two-thirds b.'ing open range, more or less covered 

 d 92 r shrubby plants and used for graaing cattle or sheep. (See Figs. 81 



