Browse Items (13651 total)

Closeup of iron lines and deposition of organic matter in an old root/worm channel; profile of slides #151 & 164.

Profile of soil in sandy loam at Glen Williams where bone pit excavations were made; n.b. plow layer and power Bf. see slides # 151-153 & 165-169.

Microtus hole in the Ah of the profile at the Dunlap Observatory, Richmond Hill; cf. slides # 140, 162

General view of forest floor under maple at Dunlap Observatory, Richmond Hill. cf. Slide #140

II year UT students examining soil profile in interlobate sands near Maple.

Bedded alluvial deposits overlain by clay (till?); location unknown

Closeup of the Simcoe County area in Slide # 157 to show soil variation.

Closeup of slide # 157 to show soils in Toronto region; n.b. yellow is interlobate (Oak ridges) moraine, blue are clay tills, brown are also tills of coarser texture.

Map of the soil associations of Ontario; see slides # 158 & 159 for closeups of two areas in this map.

Area in Hawkins Co., Tennessee, which has been typed for soil survey. N.B. different intensity of cleared areas compared with forested ones.