RM2ANDCHP–A graphic summary of American agriculture, based largely on the census of 1920 ... . Fig. 6.—Soils originally or at present covered with torest are normally light colored,and aie likely to be less fertile than soils in regions of lower rainfall. Grassland soils,in general, are dark colored, the humid prairie soils being commonly almost black andhighly fertile—the subhumid prairie soils, blackest of all—while the semiarid short-grass plains soils are dark brown or chocolate colored, the color gradually fading tomedium brown in regions of lesser rainfall, and to light brown or even ashy gray ind
RM2ANC86C–A graphic summary of American agriculture, based largely on the census of 1920 ... . Fig. 83.—The number of registered pure-bred beef cattle is more concentrated geo-graphically than that of all beef cattle. Iowa alone has one-seventh of the entire num-ber in the United States. Five per cent of the beef cattle in Iowa are registered. Theprairie and plains portion of the United States (see tall grass and short grassof Fig. 7) has nearly four-flfths of the pure-bred beef cattle in the country. About two-fifths of the registered beef cattle are Shorthorns—nearly one-half if Polled Durhambe includ
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