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 podzol, Lac Ste. Jean. Photo Canadian Department of Agriculture.

Orthic brown forest. Photo Canadian Department of Agriculture

Ortstein i.e. iron pan in a podzol due to impeded drainage. Photo Canadian Department Agriculture.

Concretionary brown i.e. `shot' soil under conifers. Photo Canadian Department Agriculture.

Humic podzol showing intense colouration of Bh. Photo Canadian Department Agriculture.

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