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

Photo of Earthworm in Mull(Ah) of Slides # 58 & 59; G-B Podzolic at Maple in Calcareous Till. Alfisol, HA, B, D.

Photo of F layer showing fungal mycelia; profile in Slide #61. Spodosol, HFM, BSP, F, D.

Photo of Forest Floor(L,F,H,) and AE of Profile in Slide # 61, Spodosol, HF, S, D.

Photo of regosol under sage brush in central Oregon. Aridisol, P, C, D.

Photo of root system of red pine in calcareous waterlaid sand at Vivian; n.b. note Ca carbonate accumulations in lower soil these developed around old roots cf. Slide #79. Alfisol, P, C, 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

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

Photo of Zanthoraceae pressii which is susceptible to Phytophthora cinnamomi and therefore spreads the disease.

IUFRO - 41-year-old PIa