Soviet Union: forged during a millenium of expansion, the largest country on earth is an unwieldy conglomeration of a hundred ethnolinguistic groups
produced by the Cartographic Division, National Geographic Society; John B. Garver, Jr., chief cartographer; design, Allen Carroll, director, John F. Dorr, Bob Pratt; art, Tibor G. Toth; research, Alice T.M. Rechlin, director [and others]