 | Land use, Rural United States. | (2) |
 |
 | Major uses of land in the United States : an inventory of the land used for agriculture, with special reference to cropland, pasture and grazing, land potentials / by H.H. Wooten. Wooten, Hugh H. (Hugh Hill), 1894- 4n Washington : U.S. Dept. of Agriculture, 1953. | |
 | Cropland trends since World War II : regional changes in acreage and use / . Krause, Orville E. 1n Washington, D.C. : Economic Research Service, U.S. Dept. of Agriculture, 1970. | |
|