Calvin Image Database Search

Geology of Buchanan Co., Iowa


O'Toole Quarry

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Independence.


Photographed by: Samuel Calvin. Lantern Slide No. 1479.
Photograph No. 82


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O'Toole Quarry

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Independence.


Photographed by: Samuel Calvin. Lantern Slide No. 1477.
Photograph No. 83


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Folded and fissured limestone

Photograph details:
Location: U.S., Iowa, Buchanan Co.; at Brandon.


Photographed by: Samuel Calvin. Lantern Slide No. 1467.
Photograph No. 87


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City Quarry

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Independence, Iowa.

Geologic Age: Devonian, Wapsipinicon Stage.
Photographed by: Samuel Calvin. Lantern Slide No. 1478.
Photograph No. 97


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Pine Creek

Photograph details:
Location: U.S., Iowa; Buchanan Co.


Photographed by: Samuel Calvin.
Photograph No. 100


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Mill at Littleton

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Wapsipinicon River.


Photographed by: Samuel Calvin. Lantern Slide No. 1470.
Photograph No. 112


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Exposure of Devonian limestone on the Wapsipinicon River

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Littleton.


Photographed by: Samuel Calvin. Lantern Slide No. 1468.
Photograph No. 124


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Iowan Boulder Iowan boulders overlying Buchanan Gravels

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Independence, near.

Geologic Age: Pleistocene
Photograph No. 581
Lantern Slide No. 1251

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The Buchanan Gravels, Illinois Central gravel pit, horizontal view

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Independence, near.

Geologic Age: Pleistocene, Buchanan Gravels.
Photograph No. 582


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Buchanan Gravels with boulders of Iowan stage, Illinois Central Gravel Pit

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Independence, near.


Photograph No. 583


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The Sentinel and Sleeping Boulders, section 19

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Newton Twp..


Photograph No. 584


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The Buchanan Gravels, vertical view, Illinois Central gravel pit

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Independence, near.

Geologic Age: Pleistocene, Buchanan Gravels.
Photograph No. 585


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Buchanan Gravels Buchanan Gravels

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Winthrop, near.

Geologic Age: Pleistocene.
Photograph No. 605


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Boulder Field

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Newton Twp..


Photograph No. 627


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Railway cut

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Oelwein.


Photograph No. 862


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Iowan stage boulders

Photograph details:
Location: U.S., Iowa, Buchanan Co.; Winthrop, near.


Photograph No. 865


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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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