ProspectOccurrence • Lead
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Bonson MinePast Producer • Zinc, Lead, Iron
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Levens Mine North Langworthy MinePast Producer • Lead, Zinc
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Stewart and Bartlett MinePast Producer • Lead
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Level MinePast Producer • Lead
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Kilbourne MinePast Producer • Lead
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Brugh and Amsden MinePast Producer • Zinc, Lead
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Beadle Mine, Dubuque and L Superior MinePast Producer • Lead, Zinc
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Durango Drybone Mine Ewing DiggingsPast Producer • Lead, Zinc
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Twin Springs QuarryPast Producer • Phosphorus-Phosphates
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RoadcutPast Producer • Phosphorus-Phosphates
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Creek BankPast Producer • Phosphorus-Phosphates
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Creek BankPast Producer • Phosphorus-Phosphates
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RoadcutPast Producer • Phosphorus-Phosphates
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OccurrencePast Producer • Phosphorus-Phosphates
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Creek BankPast Producer • Phosphorus-Phosphates
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OccurrencePast Producer • Phosphorus-Phosphates
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ExcavationPast Producer • Phosphorus-Phosphates
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Bonson MineUnknown • Zinc
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Beadle MineUnknown • Lead
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Level MineUnknown • Lead
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Fourteenth Street MineUnknown • Zinc
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Fitzpatrick MineUnknown • Zinc
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Stewarts Cave MineUnknown • Lead
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Levens MineUnknown • Lead
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Kilbourne MineUnknown • Lead
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Durango Drybone MineUnknown • Zinc
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Stewarts Cave MinePast Producer • Lead
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Fourteenth Street MinePast Producer • Lead, Zinc
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Fitzpatrick MinePast Producer • Lead, Zinc
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RoadcutPast Producer • Phosphorus-Phosphates
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Composite SectionPast Producer • Phosphorus-Phosphates
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Stream BankPast Producer • Phosphorus-Phosphates
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Brugh and Amsden MineUnknown • Lead
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Stewart and Bartlett MineUnknown • Lead
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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ArnsdorfPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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Beecher West Dubuque QuarryPast Producer • Stone, Crushed/Broken
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Kemp QuarryProducer • Stone, Crushed/Broken
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Kurt QuarryPast Producer • Stone, Crushed/Broken
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Koos QuarryPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Sand and Gravel, Construction
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Trappist QuarryPast Producer • Stone, Crushed/Broken
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Mar Jo Hills QuarryProducer • Stone, Crushed/Broken
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Eagle Point Lime WorksPast Producer • Stone, Crushed/Broken
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Becker QuarryPast Producer • Stone, Crushed/Broken, Limestone, Dimension
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UnknownPast Producer • Sand and Gravel, Construction
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Sherrills Mound MinesPast Producer • Lead
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Sand and Gravel, Construction
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Schlitche QuarryPast Producer • Stone, Crushed/Broken
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Dyersville QuarryProducer • Stone, Crushed/Broken
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Mattloch QuarryPast Producer • Stone, Crushed/Broken
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Mauser FarmPast Producer • Stone, Crushed/Broken
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Sauser Sand PitProducer • Sand and Gravel, Construction
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Hermsen QuarryProducer • Stone, Crushed/Broken
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UnknownPast Producer • Sand and Gravel, Construction
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UnknownPast Producer • Sand and Gravel, Construction
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UnknownPast Producer • Stone, Crushed/Broken
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Reiter QuarryProducer • Stone, Crushed/Broken
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Lot 340 QuarryProducer • Stone, Crushed/Broken
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Johns Creek QuarryPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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Thole QuarryProducer • Stone, Crushed/Broken
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UnknownPast Producer • Sand and Gravel, Construction
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Treester QuarryPast Producer • Stone, Crushed/Broken
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Browns Bottom Wash Plant PlantProducer • Stone, Crushed/Broken
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Lansing QuarryPast Producer • Stone, Crushed/Broken
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Rose Spur Quarry & MillProducer • Stone, Crushed/Broken
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Kutsch QuarryPast Producer • Stone, Crushed/Broken
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Fitzpatrick MinePast Producer • Lead, Zinc
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UnknownPast Producer • Stone, Crushed/Broken
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Klein QuarryPast Producer • Stone, Crushed/Broken
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Bertling QuarryPast Producer • Stone, Crushed/Broken
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Wpa QuarryPast Producer • Stone, Crushed/Broken
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Hanten QuarryPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Sand and Gravel, Construction
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Dubuque Sand and Gravel DredgeProducer • Sand and Gravel, Construction
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Bernard QuarryPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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Beecher Sand Ltd.Producer • Sand and Gravel, Construction
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UnknownPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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Dzaboff QuarryPast Producer • Stone, Crushed/Broken
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UnknownPast Producer • Stone, Crushed/Broken
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Koopman PitPast Producer • Sand and Gravel, Construction
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UnknownPast Producer • Stone, Crushed/Broken
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