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Mark Sand And Gravel Co Oct

Eskers they are long, narrow, sinuous ridges composed of sand and gravel which mark the former sites of sub-glacial meltwater stream.Terminal moraines coarse debris deposited at the edge of the ice sheet.Outwash plains fluvioglacial deposits washed out from the terminal moraines.They are called knob and kettle topography.Arid or desert.

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