Calvin's Scrapbook

Images of Quarries

Dubuque Co.


Quarry in Galena Limestone

Photograph details:
Location: U.S.; Iowa; Dubuque Co.; West Dubuque.

Geologic Age: Ordovician.
Photographed by: Samuel Calvin. Lantern Slide No. 1580.
Photograph No. 57


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Quarry in Galena Limestone

Photograph details:
Location: U.S.; Iowa; Dubuque Co.; Twin Springs.

Geologic Age: Ordovician.
Photographed by: Samuel Calvin. Lantern Slide No. 1579.
Photograph No. 80


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Quarry in lower quarry beds of Niagaran

Photograph details:
Location: U.S.; Iowa; Dubuque Co.; Farley.

Geologic Age: Silurian.
Photographed by: Samuel Calvin. Lantern Slide No. 1517.
Photograph No. 130


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Lower quarry beds

Photograph details:
Location: U.S.; Iowa; Dubuque Co.; Epworth, north of.

Geologic Age: Silurian.
Photographed by: Samuel Calvin. Lantern Slide No. 1544.
Photograph No. 173


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Lower quarry beds

Photograph details:
Location: U.S.; Iowa; Dubuque Co.; Twin Springs.

Geologic Age: Silurian.
Photographed by: Samuel Calvin. Lantern Slide No. 1593.
Photograph No. 169


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Lower quarry beds

Photograph details:
Location: U.S.; Iowa; Dubuque Co.; Farley, east Quarry, east of Farley.

Geologic Age: Silurian.
Photographed by: Samuel Calvin. Lantern Slide No. 1518.
Photograph No. 179


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Quarry in Niagara Limestone

Photograph details:
Location: U.S.; Iowa; Dubuque Co.; Farley.

Geologic Age: Silurian.
Photographed by: Samuel Calvin. Lantern Slide No. 468.
Photograph No. 178


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Cap Rock and Crevice

Photograph details:
Location: U.S.; Iowa; Dubuque Co.


Photograph No. 1168


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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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