000 00308 a2200133 4500
080 _a631.4
_bC 598 S
245 1 _aStudy of the soil in the field
_cby G.R. Clarke
250 _a3rd edn.
260 _aLondon
_c1941
650 _aSoil Science
100 1 _aClarke, G.R.
_d
300 _a227 p.
901 _a73350
999 _c43447
_d43447