COLLECTION AND PRESERVATION OF SOIL PROFILES

[1] BERGER KM, 1945, SOIL SCI SOC AM P, V10, P368

[2] HARPER HJ, 1932, OKLA AGR EXP STA TEC, V201

[3] LYFORD W. H., 1939, SOIL SCI SOC AMER PROC, V4, P355

[4] VOIGHT E, 1936, Z PFLANZENERNAHR DUN, V45, P111

[5] 710 COLL AGR AGR EXP

[6] 1941, COLLECTION SOIL MONO

[1] BERGER KM, 1945, SOIL SCI SOC AM P, V10, P368

[2] HARPER HJ, 1932, OKLA AGR EXP STA TEC, V201

[3] LYFORD W. H., 1939, SOIL SCI SOC AMER PROC, V4, P355

[4] VOIGHT E, 1936, Z PFLANZENERNAHR DUN, V45, P111

[5] 710 COLL AGR AGR EXP

[6] 1941, COLLECTION SOIL MONO