TY  - BOOK
AU  - Clarke,G.R.
TI  - The study of soil in the field
U1  - 631.4 
PY  - 1971///
CY  - Oxford
PB  - Clarendon Press
KW  - Soils
KW  - Maps
KW  - Soil science
KW  - Soil mappings
KW  - Soil surveys
KW  - Testing
N1  - Includes index
ER  -