Keokuk Limestone
The Keokuk Limestone is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian sub-period.
| 单词 | Keokuk Limestone |
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Keokuk Limestone
英语百科
Keokuk LimestoneThe Keokuk Limestone is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian sub-period. |
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