General view of area 30 yrs after fire; soil material is a washed, loamy till; see slide # 240 for profile; located in Truax Twp., Plonski Forest.

Profile of a podsol in medium-coarse sand; Davison Twp. Plonski Forest, near Swastika; n.b. relative lack of intensity of profile development due to coarse texture.

Close-up of H, Ah-Ae of gray-wooded luvisol in slide # 236; n.b. roots and lack of F.

Gray-wooded luvisol in Truax Township, Plonski Forest near Swastika; in silty clay; n.b. Ah

Ablation (dump) till of loamy sand over a basal till of sandy loam, which is compacted; n.b. roots mainly in the upper loose dump till.

View of Forestry Soils class, Sept. 1970. II yr students in their field work at Dunlap Observatory.

Surface view of Ah (mull) in gray-brown luvisol at Dunlap Observatory, Richmond Hill; cf. slides # 223 & 226.

Root system of Acer saccharum (sugar maple) in sandy loam till; dystric brunisol (despite Ae!); tree approx. 85yrs old; n.b. "tight" root system.

Extracted portion of C to show laminations in silt loam, roots and gleying; this is from profile in slide # 228

Platy structure in silt loam in Bm merging into C; close-up of soil profile in slide # 228