Calvin Image Database Search

Geology of Woodbury Co., Iowa


Dakota Formation, showing clays, lignite and sandstone, capped by loess

Photograph details:
Location: U.S., Iowa, Woodbury Co.; Sargeant's Bluff.

Geologic Age: Cretaceous, Dakota Formation.
Photograph No. 1108


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Dakota Formation, clays and shales

Photograph details:
Location: U.S., Iowa, Woodbury Co.; Sioux Paving Brick Company, north Riverside.

Geologic Age: Cretaceous, Dakota Formation.
Photograph No. 1116


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Till interbedded in loess

Photograph details:
Location: U.S., Iowa, Woodbury Co.; Sand pits north of Sioux City.

Geologic Age: Pleistocene, Till interbedded in loess.
Photographed by: Samuel Calvin.
Photograph No. 1109


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Any additional plates from the Calvin Collection are listed below.
These will be added to the database in due course, but if you are interested in seeing them in advance, please contact Tiffany Adrain.



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