Cumulative texture curve for profile Slide #27. Spodosol, F, T.

Cumulative Texture Curves for Profile Slide #21 Horizons, Inceptisol, F, T.

Well-developed Bh under Balsam fir in central Quebec; humus has formed a firm `pan'. Spodosol, P, HB, F, D.

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.