Calvin's Scrapbook

Images of Quarries

Fayette Co.
Howard Co.


Outlier of Niagaran Limestone

Photograph details:
Location: U.S.; Iowa; Fayette Co.; Clermont, near, Williams Quarry.

Geologic Age: Silurian.
Photographed by: Samuel Calvin. Lantern Slide No. 1523.
Photograph No. 1991


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Near view of Devonian dolomite

Photograph details:
Location: U.S.; Iowa; Howard Co.; Forreston, Quarry north of Bridge.

Geologic Age: Devonian.
Photographed by: Samuel Calvin.
Photograph No. 107


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Quarry in Devonian dolomite

Photograph details:
Location: U.S.; Iowa; Howard Co.; Forreston, Oneota River north of Bridge.

Geologic Age: Devonian.
Photographed by: Samuel Calvin.
Photograph No. 110


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Allamakee Co. Buchanan Co Cedar Co. Cerro Gordo Co. Delaware Co. Dubuque Co.
Fayette Co. Howard Co. Johnson Co. Jones Co. Madison Co. Marion Co.
Polk Co. Scott Co. Washington Co. Minnesota,
Pipestone Co.		 South Dakota, Yankton Co. Connell's Quarry

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