Calvin's Scrapbook

Images of Quarries

Cerro Gordo Co.
Delaware Co.


Near view of the stratified clays, in clay pit of Mason City Brick and Tile Works.

Photograph details:
Location: U.S.; Iowa; Cerro Gordo Co.; Mason City.

Geologic Age: Devonian.
Photographed by: Samuel Calvin. Lantern Slide No. 1482.
Photograph No. 86


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Clay pit of Mason City Brick and Tile Company

Photograph details:
Location: U.S.; Iowa; Cerro Gordo Co.; Mason City.

Geologic Age: Devonian.
Photographed by: Samuel Calvin.
Photograph No. 91


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Kuppinger Quarry

Photograph details:
Location: U.S.; Iowa; Cerro Gordo Co.; Mason City, Iowa.

Geologic Age: Devonian.
Photographed by: Samuel Calvin. Lantern Slide No. 1483.
Photograph No. 95


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Quarry

Photograph details:
Location: U.S.; Iowa; Delaware Co.; Earlville, east of.

Geologic Age: Silurian.
Photographed by: Samuel Calvin. Lantern Slide No. 1529.
Photograph No. 143


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Ledge of Niagaran limestone

Photograph details:
Location: U.S.; Iowa; Delaware Co.; Loop's Quarry, near Hopkinton.

Geologic Age: Silurian.
Photographed by: Samuel Calvin.
Photograph No. 172


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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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