Calvin Image Database Search

Geology of Plymouth Co., Iowa


Dakota and Benton formations

Photograph details:
Location: U.S., Iowa, Plymouth Co.; On Sioux River, Old Crills Mill, below Westfield.

Geologic Age: Cretaceous, Dakota Sandstone.
Photograph No. 1098


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Dakota and Benton formations

Photograph details:
Location: U.S., Iowa, Plymouth Co.; Below Westfield, Old Crills Mill.

Geologic Age: Cretaceous, Dakota and Benton.
Photograph No. 1099


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Bluffs of Kettle Creek

Photograph details:
Location: U.S., Iowa, Plymouth Co.; Below Millersville.


Photograph No. 1117


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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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