WoodsboroProducer • Bloating Material
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Rochy Ridge PitPast Producer • Clay
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Evergreen Point QuarryPast Producer • Limestone, General
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Frederick QuarryPast Producer • Limestone, General
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Legore QuarryPast Producer • Limestone, General
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Woodsboro QuarryPast Producer • Limestone, General
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Woodsboro QuarryProducer • Stone, Crushed/Broken
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Green Valley Road QuarryPast Producer • Quartz
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Ensor Ore BanksPast Producer • Iron
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Dave Thomas Ore BankPast Producer • Iron
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Kiefer Thomas Ore BankPast Producer • Iron
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UnnamedPast Producer • Iron
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Catoctin/Catoctin Furance BanksPast Producer • Iron
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Nina Thomas /Zimmerman Ore BanksPast Producer • Iron
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Grim Ore BankPast Producer • Iron
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Yingling/P. Ambush BanksPast Producer • Iron
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ClaryPast Producer • Iron
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Point of Rock Bankwashington Jct. Ore BanksPast Producer • Iron
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Liberty MinePast Producer • Copper
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Cox Mt. View Mine/Repp MinePast Producer • Copper
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Dolly Hyde MinePast Producer • Copper
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New London Mine LinganorePast Producer • Copper
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Frederick Gold MinePast Producer • Gold, Silver
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Lime Kiln QuarryPast Producer • Limestone, General
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Union Bridge QuarryPast Producer • Marble, Dimension
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Cox MinesProspect •
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Belt DepositOccurrence • Iron
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Dave Thomas Ore BankPast Producer • Iron
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Rocky Ridge PitProducer • Clay
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Grim Ore BankPast Producer • Iron
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Nina Thoma*re BankPast Producer • Iron
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New London Iron MineProspect • Iron
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Washington Junction Ore BanksPast Producer • Iron
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Eastalco Aluminum PlantPlant • Aluminum, Contained or Metal
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Green Valley Road QuarryPast Producer • Stone, Crushed/Broken
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New London MinePast Producer •
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Frederick QuarryProducer • Stone, Crushed/Broken
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Mountain View MineProspect •
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Hines ProspectsProspect •
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Israel Creek ProspectsProspect •
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Clarey Ore BankPast Producer • Iron
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South Furnace Ore BankPast Producer • Iron
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Hammond ProspectPast Producer •
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Lime Kiln Quarry & PlantProducer • Calcium
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Woodsboro QuarryPast Producer • Stone, Crushed/Broken
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Unionville MinePast Producer •
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S.W.Barrick & Sons, IncProducer • Calcium
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South Mountain ProspectProspect • Copper
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Eiler ProspectProspect •
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Legore QuarryProducer • Calcium
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Woodsboro QuarryProducer • Stone, Crushed/Broken
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P.G.Saubles QuarryPast Producer • Barium-Barite
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Yingling Ore BankPast Producer • Iron
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Evergreen Point QuarryPast Producer • Stone, Crushed/Broken
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Ensor BankPast Producer • Iron
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Repp MinePast Producer • Copper
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Patrick Ambush Ore BankPast Producer • Iron
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Zimmerman Ore BankPast Producer • Iron
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North Catoctin Furnace Ore BanksPast Producer • Iron
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Back Catoctin Furnace Ore BanksPast Producer • Iron
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Lime Plant Road MillPlant • Calcium
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Kiefer Thomas Ore BankPast Producer • Iron
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Southwest Catoctin Furnace Ore BankPast Producer • Iron
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Liberty MinePast Producer •
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Dolly Hyde MineProspect •
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