TY  - BOOK
AU  - Clarke,G.R.
TI  - The study of the soil in the field
U1  - 631.4 
PY  - 1957///
CY  - Oxford
PB  - Clarendon Press
KW  - Soils
KW  - Testing
KW  - Classification
KW  - Maps
KW  - Soil mapping
N1  - Includes index
ER  -