Geology of the Keokuk beds of the Central Mississippi Valley
| Main Author: | |
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| Format: | Others |
| Language: | English |
| Published: |
University of Iowa
1912
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| Online Access: | https://ir.uiowa.edu/etd/3599 https://ir.uiowa.edu/cgi/viewcontent.cgi?article=3600&context=etd |