Beaver Creek Quarry and MillPast Producer • Limestone, General
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Pinesburg Station QuarryPast Producer • Limestone, General
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Hancock QuarryPast Producer • Limestone, General
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Boonsboro Quarry and MillPast Producer • Limestone, General
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Geeting Ore Bank/Wyand Ore BankPast Producer • Iron
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Appletown Ore Bank/Boonsboro Ore BankPast Producer • Iron
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Unnamed, Boonsboro AreaPast Producer • Iron
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Kohler Ore BankPast Producer • Iron
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Mclaughlin Ore BankPast Producer • Iron
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Wheatstone Ore BankPast Producer • Iron
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North Mt. AreaPast Producer • Iron
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Lane Property Ore BankPast Producer • Iron
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Potomac Refining Co. MinePast Producer • Manganese
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Maryland BanksPast Producer • Iron
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Security QuarryPast Producer • Limestone, General
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Victor Cushwa and Sons PitPast Producer • Clay
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North Green Spring Furnace Ore BankPast Producer • Iron
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Mclaughlin Ore BankPast Producer • Iron
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Wilson Farm Ore BankPast Producer • Iron
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South Mountain ProspectProspect • Copper
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Appletown Ore BankPast Producer • Iron
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Charles Ore BankPast Producer • Iron
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Northwest Boonsboro Ore BankPast Producer • Iron
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Beaver Creek PitProducer • Stone, Crushed/Broken
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Dargan MinePast Producer •
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Green Spring Ore BankPast Producer • Iron
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Boonsboro Ore BankPast Producer • Iron
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Kohler Ore BankPast Producer • Iron
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Barton DepositOccurrence • Iron
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Wheatstone Ore BankPast Producer • Iron
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Southeast Indian Springs Ore BankPast Producer • Iron
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South Mountain ProspectProspect • Copper
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Potomac Refining Company DepositPast Producer • Iron
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South Mountain ProspectProspect • Copper
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Northeast Green Spring Furnace BankPast Producer • Iron
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Wyand Ore BankPast Producer • Iron
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Lane Property Ore BankPast Producer • Iron
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Security Quarry & Cement PlantPlant • Stone, Crushed/Broken
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Geeting Ore BankPast Producer • Iron
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Rockdale QuarryProducer • Stone, Crushed/Broken
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Clay Mine-Victor CushwaProducer • Clay
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Boonsboro QuarryProducer • Stone, Crushed/Broken
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South Mountain ProspectProspect • Copper
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Maryland BankPast Producer • Iron
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Hancock QuarryPast Producer • Stone, Crushed/Broken
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Pinesburg QuarryProducer • Stone, Crushed/Broken
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