"Color reproduction by Bureau of Agricultural Economics, U.S.D.A." Includes chart showing type of land use, acreage, and recommended use. Imprint: [Washington, D.C.?] : U.S. Bureau of Agricultural Economics, [1940?] Scale: Scale not given.; Dimensions: 15 x 13 cm, on sheet 38 x 28 cm Coordinates: W0850210 W0844851 N0394345 N0393119