Browse Items (13654 total)

Photo of upper profile in coarse loamy sand (pumice) at Antelope Tree Farm; Lapine Series. cf. Slides # 72 & 73. Entisol, P, C, G, D.

Profile in coarse loamy sand (pumice) at Antelope Tree Farm of Weyerhaeuser; Lapine series ;n.b. lower buried old B see Slide # 72. Entisol, P, C, E, D.

Photo of the boundary between two ages of pumice deposit in Oregon from Mount Mazama (Crater Lake, ca.1500yrs); lower dark pumice is B horizon of buried profile. n.b. gopher hole. Entisol, HC, C, E, D

Profile in central Washington (Horse Heaven Hills), n.b. light brown colour with little horizon differentiation; wheat yield 10 bu/ac. Entisol, P, C, HC, D.

Photo of Close-up of BF in Profile Slide # 68 at Kirkwood. Spodosol, HBM.

Close-Up(X20) of AE in Profile at Kirkwood Slide # 68. Spodosol, HAM, C.

Profile in Silt Loam at Kirkwood; n.b. Plow Layer and Resulting Disturbance in AE. Spodosol, P, C, HC, D.

Photo at Vivian of residual old white pine stump on deep sands that eroded after clearing for agriculture in mid 1800's. Pine were approximately 200+yrs and came in on previous Indigenous fields. Alfisol, HF, T, WN, D.

Photo of C horizon (waterlaid) in profile Slide # 61; n.b. individual minerals e.g. silica, feldspar and biotite. Spodosol, HCM, CM.

Photo of Bf horizon in profile Slide # 61; n.b. iron colouration and the fine particles coating the larger grains, i.e. illuviation. Spodosol, HBM, C.