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Current plow layer in sands over gravel at Glen Williams bone pit site
Current plow layer in sands over gravel at Glen Williams bone pit site.
Closeup of iron lines and deposition of organic matter in an old root/worm channel
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
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
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
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
II year UT students examining soil profile in interlobate sands near Maple.
Bedded alluvial deposits overlain by clay
Bedded alluvial deposits overlain by clay (till?); location unknown
Closeup of the Simcoe County area to show soil variation
Closeup of the Simcoe County area in Slide # 157 to show soil variation.
Closeup of slide # 157 to show soils in Toronto region
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
Map of the soil associations of Ontario; see slides # 158 & 159 for closeups of two areas in this map.