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Dakota and Benton formations
Photograph details: Location: U.S., Iowa, Plymouth Co.; On Sioux River, Old Crills Mill, below Westfield. Geologic Age: Cretaceous, Dakota Sandstone. Photograph No. 1098 - Larger Image - |
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Dakota and Benton formations
Photograph details: Location: U.S., Iowa, Plymouth Co.; Below Westfield, Old Crills Mill. Geologic Age: Cretaceous, Dakota and Benton. Photograph No. 1099 - Larger Image - |
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Bluffs of Kettle Creek
Photograph details: Location: U.S., Iowa, Plymouth Co.; Below Millersville. Photograph No. 1117 - 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.
Photograph No: 1127. Chalk Cliff. Location: U.S., Iowa, Plymouth Co.; Westfield, south of, on Sioux River, Old Grills Mill. Geologic Age: Cretaceous, Niobrara Chalk.
Photograph No: 1170. Prairie Upland of eastern Plymouth County. Location: U.S., Iowa, Plymouth Co.; Eastern part of county.
Photograph No: 1196. Flood Plain of Missouri River.
Location: U.S., Iowa, Plymouth Co.; Westfield, south of, Missouri River, Old Crills Mil.
Photographed by: Bain. Lantern Slide No. 203.
