By Bonsteel, Jay Allan. . Genre Soils / United States . Names soil / type / wheat / areas / area and 123 more

By Agee, Alva, 1858-1943 . Genre Fertilizers / Soils . Names soil / bacteria / plants / grass / organic matter and 1339 more

By Hall, Daniel, Sir, 1864-1942 . Genre Soils .

By Stephenson, Roscoe Elmo. [from old catalog] . Genre Soils .

By Wilson, Benjamin Dunbar, 1888- [from old catalog] . Genre Calcium. [from old catalog] / Soils .

By Agee, Alva, 1858-1943 . Genre Lime / Soils .

Genre Soils / Analysis . Names soil / type / wheat / ca / california and 36 more

By Kretschmer, T. R. / Lee, Homa J. . Genre Marine sediments / Testing / Soils / Testing / Vane shear tests .

By Morrow, Clarence Austin, 1881-1926 . Genre Soils / Analysis / Nitrogen . Names soil / ammonia / bacteria / data / organic matter and 924 more

By Mausel, P. W. / Carmer, S. G. / Runge, Edward C. A. . Genre n-us-il / Soils / Illinois / Soil productivity / Illinois . Names soil / ave / ge / area / areas and 258 more