Calvin Image Database Search

Geology of Marion Co., Iowa

	St. Louis Limestone Photograph details: Location: U.S., Iowa, Marion Co.; East of Harvey. Geologic Age: Mississippian, St. Louis Limestone. Photograph No. 1184 - Larger Image -
	Elk Cliff, Coal Measure sandstone, on Des Moines River Photograph details: Location: U.S., Iowa, Marion Co.; Rosseau. Photograph No. 1089 - Larger Image -
	Redrock Quarry Photograph details: Location: U.S., Iowa, Marion Co.; Redrock Quarry, Redrock. Geologic Age: Pennsylvanian, Coal Measure Sandstone. Photographed by: Keyes. Photograph No. 1195 - 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.