"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?] Dimensions: 21 x 19 cm, on sheet 38 x 28 cm; Scale: Scale not given. Coordinates: W0873931 W0871425 N0391534 N0385405