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View of Ah in Hernden silt loam in Duke Forest under oak, hickory & tulip; n.b. colour and degree of mineralization.

Typic hapludult under oak, hickory & tulip in Duke Forest, cf Slide # 126 for close-up of Ah

Quartzic psamment in the Sandhills; n.b. colour difference with difference in moisture, & lack of horizon differentiation

Stump of Loblolly pine (P. taeda) two years after thinning growing in a quartzic psamment (sand); stump hollowed out by termites.

Profile of a quartzic psamment in Sandhills

Typic hapludult, Durham loamy sand derived from weathering of granite.

Poor drainage in a typic hapludult, Duke Forest

Frost polygons in central Newfoundland; person is Bob Van Nostrand of Canadian Forestry Service, St. John's Nfld.

Poorly developed Podzol in ablation till (granite gneiss) over bedrock at Dorset, n.b. dark B and roots

Note intensity of rooting in this very shallow over granite gneiss bedrock