Soil-geographical zoning of the U.S.S.R. in relation to the agricultural usage of lands. P.A. Letunov ; translated by A. Gourevitch Sovet po izuchenii︠u︡ proizvoditelʹnykh sil (Soviet Union) Letunov, P. A., ed. Akademii︠a︡ nauk SSSR. Pochvennyĭ institut im. V.V. Dokuchaeva. Soils Soviet Union. S599.R9 A7653 931.4947 UNS At head of title: Academy of Sciences of the U.S.S.R. Council for the Study of Productive Resources. Dokuchaev Soil Institute. Label mounted on t.p.: Published in the U.S.A. by Daniel Davey, New York. Bibliography: p. 446-479. Jerusalem : Israel Program for Scientific Translations, 1963. 1963. 1963 Text 480 p. : eng engrus Its Research on problems of development and distribution of agriculture Sovet po izuchenii︠u︡ proizvoditelʹnykh sil (Soviet Union). Research on problems of development and distribution of agriculture. Soviet Union.