TY  - BOOK
AU  - Butler,B.E.
TI  - Soil classification for soil survey
SN  - 019854510X :
AV  - S592.16 .B84 1980
U1  - 631.4/4 
PY  - 1980///
CY  - Oxford, New York
PB  - Clarendon Press, Oxford University Press
KW  - Soils
KW  - Classification
KW  - Soil surveys
N1  - Includes indexes; Bibliography: p. [123]-125
ER  -