Calvin Image Database Search

Geology of Cerro Gordo Co., Iowa

	Exposure of Devonian on Willow Creek Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City, Parker's Mill. Photographed by: Samuel Calvin. Lantern Slide No. 1485. Photograph No. 84 - Larger Image -
	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, Lime Creek Shales. Photographed by: Samuel Calvin. Lantern Slide No. 1482. Photograph No. 86 - Larger Image -
	Clay pit of Mason City Brick and Tile Company Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City. Geologic Age: Devonian, Lime Creek Shales. Photographed by: Samuel Calvin. Photograph No. 91 - Larger Image -
	Kuppinger Quarry Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City, Iowa. Photographed by: Samuel Calvin. Lantern Slide No. 1483. Photograph No. 95 - Larger Image -
	Thinning of Devonian beds Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Portland, Iowa. Photographed by: Samuel Calvin. Lantern Slide No. 1486. Photograph No. 96 - Larger Image -
	View of Works of the Mason City Brick and Tile Company Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City Photographed by: Samuel Calvin. Lantern Slide No. 1481 Photograph No. 98 - Larger Image -
	Vermilya's Bluff Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Shell Rock River, Cedar Valley. Photographed by: Samuel Calvin. Lantern Slide No. 1491. Photograph No. 103 - Larger Image -
	Fossil bearing beds of Upper Devonian Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Hackberry clay banks. Photographed by: Samuel Calvin. Lantern Slide No. 1480. Photograph No. 118 - Larger Image -
	Stromatopora Bed Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City, Kuppinger's Mill on Lime Creek. Geologic Age: Devonian, Cedar Valley Stage. Photographed by: Samuel Calvin. Lantern Slide No. 1439. Photograph No. 122 - Larger Image -
	A view at Parker's Mill on Willow Creek Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City. Photographed by: Samuel Calvin. Lantern Slide No. 1484. Photograph No. 121 - Larger Image -
	A view on Shell Rock River Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Kreidel's Bluffs. Photographed by: Samuel Calvin. Lantern Slide No. 1490. Photograph No. 123 - Larger Image -
	Shell Rock River. Set IV-17 Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Northeastern Cerro Gordo Co.. Photograph No. 560 - Larger Image -
	View showing effects of expansion of ice along margin of Clear Lake. Set VIII-91. Photograph details: Location: U.S., Iowa; Cerro Gordo Co. Photograph No. 569 - Larger Image -
	Kames Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Thornton, northwest of. Photograph No. 578 - Larger Image -
	Heaving of ice along margin of Clear Lake (negative not very good) Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Clear Lake. Photograph No. 586 - Larger Image -
	Boulders from the marginal moraine of the Wisconsin Drift Sheet Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Clear Lake. Photograph No. 591 - Larger Image -
	Moraine Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Swaledale, northwest of. Photograph No. 599 - Larger Image -
	View showing effects of expansion of ice along margin of Clear Lake Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Clear Lake. Photograph No. 600 - Larger Image -
	Abandoned channel of Lime Creek Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City. Photograph No. 606 - Larger Image -
	Granite boulder belonging to Iowan Drift Photograph details: Location: U.S., Iowa, Cerro Gordo Co.; Mason City. Photograph No. 631 - Larger Image -

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.

Last updated February 18, 2011 AG