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Surface after an August fire in a jack pine cutover in Burt Twp. of Plonski Forest, Swastika; n.b. some exposure of mineral soil and the evidence of surface erosion by lining up of fine twigs

Surface after an August fire in a jack pine cutover, Burt Twp in the Plonski Forest, Swastika; N.B. intensity of burning to mineral soil due to slash fuel; cf.Slide # 145

Gleying in the lower part of a grey-brown podzolic near Maple

Clay illuvation in Bt of Grey-brown podzolic near Maple; N.B. the biotite mineral.

Clay illuviation in Bt of a grey-brown podzolic near maple

Grey-brown podzolic in a clay loam under maple, beech, ash at the Dunlap Observatory, Richmond Hill; photo used in KAA text.

Roots of young poderosa pine in pumice soil (1500 yrs ago) n.b. the two-tiered root system.

Closeup to show quartz and feldspar particles from the Ae of Podzol profile in the Kirkwood Forest, near Thessalon.

Evidence of perturbation due to windthrow after fire under a white pine stump in till near Dorset

Evidence of perturbation due to windthrow after fire under a white pine stump in till near Dorset.