Bisequum of podzol developing in gray wooded. Photo: Canadian Department of Agriculture. Alfisol. P, C, D.

Humic eluviated gleysol. Photo: Canadian Department of Agriculture. Spodosol. P, M, D.

Bisequum of a well-developed podzol in a gray brown podzolic (?acid) Photo: Canadian Department of Agriculture. Spodosol. P, C, D.

Orhtic acid brown wooded, N.B. little differentiation in colour Photo: Canadian Department of Agriculture. Alfisol. P, C, D.

Concretionary brown soil under Douglas fir i.e. `shot' soil. Photo: Canadian Department of Agriculture. Inceptisol. P, S, D.

Gleyed alpine brown; N.B. humic A horizon. Photo Canadian Department Agriculture.

Bisequum in a calcareous material; n.b upper podzolic Bf and the undulating lower B; cover white spruce & lodgepole pine

Plinthic paleudult in loamy south central North Carolina (Sandhills)

Plinthic paleudult showing rooting of Loblolly pine (P. taeda) near Sandhills in South central NC.

Arenic paleudult with clay lenses (plastic)