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.

General view of profile under 70 year jack pine; water-laid sand at the Plonski Forest; n.b. root system and concentration in upper portion of the 'soil'. Spodosol, P, C, F, D.

Typical black prairie soil near Irricana; n.b. gopher hole. Mollisol, P, C, D.

Photo of a black solodized solonetz by Soil survey in Alberta. Aridisol, P, C, D.

Sol brun acide in Eocene sandstone near Alsea, Oregon; mapped as the 'Bohannon' series by U.S. soil survey; photo in douglas fir cutover. Inceptisol, P, C, F, SB.

Sol brun acide developed in what is described as a yellow-brown laterite (bisequum ?); called 'Klickitat' series by U.S. soil survey; near Alsea. Inceptisol, P, C, F, D.