Dakota Artesian System

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East-west section across South Dakota to show the Dakota artesian system. The Dakota sandstone is composed for the most part of well-rounded and well-assorted quartz grains, representing an ancient river and wind-formed sand deposit.

Galleries

Hydrology

Source

Amadeus W. Grabau A Textbook of Geology (Boston: D.C. Heath & Co., 1920) 424

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