Perspective -- Geologic time : The quaternary period ; Archeology ; Estimating geologic time ; Early estimates of geologic time -- Weathering and erosion : Structure of the rocks ; Structure in ...
"Soil don't get no respect," Rodney Dangerfield might have said (but didn't). Perhaps you know your state bird or flower, but do you know your state soil? Well, in recent years soil has begun to get ...
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