Butler, B. E. Soil classification for soil survey / B. E. Butler. - Oxford : New York : Clarendon Press ; Oxford University Press, 1980. - 129 p., [1] leaf of plates : ill. ; - Monographs on soil survey . Includes indexes. ISBN: 019854510X : Subjects--Topical Terms: Soils--Classification.Soil surveys. LC Class. No.: S592.16 / .B84