The study of soil in the field /
Clarke, George Robin.
The study of soil in the field / G. R. Clarke assisted by Philip Beckett. - 5th ed. - Oxford, Clarendon Press, 1971. - xi, 145 p., 7 plates. ill., maps.
0198541171
B71-25834
Soil surveys.
S591 / .C6 1971
631.4
The study of soil in the field / G. R. Clarke assisted by Philip Beckett. - 5th ed. - Oxford, Clarendon Press, 1971. - xi, 145 p., 7 plates. ill., maps.
0198541171
B71-25834
Soil surveys.
S591 / .C6 1971
631.4