The classification of agricultural soils on the basis of mechanical properties /
Soane, B. D.(Brennan D.),author.
Campbell, D. J.(Duncan Joan),author.
Herkes, S. M.,author.
National Institute of Agricultural Engineering (Great Britain).Scottish Station.
Unbound.
"SSN/34."--cover leaf.
"Not for publication."--stamped on cover leaf.
Report dated September 1969.
Includes bibliographical references (leaf 5).
Soils