Hexagonal cracking in clay at Caledon, where the upper horizons have been eroded away. Mollisol, HC, S, E, D.

Windblown sand showing the 'mare's tail' structure; taken at Forbes Creek in Algonquin Park. Spodosol, HC, S, D.

Buried profile near Bancroft as a result of a flood; n.b. there would appear to be long intervals between floods. Spodosol, P, C, WT, D.

Alluvial/colluvial near Kananaskis on mountain slope under lodgepole pine. Spodosol, P, C, WT, D.

Acid Brown forest at Dorset; although over bedrock the soil acts as a deep soil with telluric water & is very productive. See slides nos. 22 to 25 for details of horizons. Inceptisol, P, C, F, SB.

Litter of maple in spring, n.b. dogtooth violets breaking up leaves forest floor of slide #21. Inceptisol, HF, S.

F layer in forest floor of profile slide #21; n.b. the fungal hyphae. Inceptisol, HF, BSP.

Lower part of forest floor - some H, but mixed to give an Aeh; n.b. fine roots and relatively sharp boundary between F and Aeh. Inceptisol, HA, C.

B horizon of profile slide #21; n.b. fine granular structure and the intensity of rooting. Inceptisol, HB, S.

General view of profile at Plonski Forest adjacent to nursery; jack pine forest; water-laid medium/fine sand. Spodosol, P, C, F, D.