Location: | Clayton County, Iowa, United States, North America |
Lat / long: | 42.94861, -91.39265 |
dep_id: | 10082048 |
mrds_id: | W044555 |
Commodity type: | nonmetallic |
Major mineral: | Phosphorus-Phosphates |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
Reporter: | Miller, M. |
hrock_unit: | Maquoketa Shale |
hrock_type: | Phosphorite |
References: |
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