The study of soil in the field
Clarke, George Robin.
The study of soil in the field [by] G. R. Clarke assisted by Philip Beckett. - 5th ed. - Oxford, Clarendon Press, 1971. - xi, 145 p., 7 plates. illus., maps. 23 cm.
Bibliography: p. [139]-141.
0198541171
72031857
B71-25834
Soil surveys.
S591 / .C6 1971
631.4
The study of soil in the field [by] G. R. Clarke assisted by Philip Beckett. - 5th ed. - Oxford, Clarendon Press, 1971. - xi, 145 p., 7 plates. illus., maps. 23 cm.
Bibliography: p. [139]-141.
0198541171
72031857
B71-25834
Soil surveys.
S591 / .C6 1971
631.4