Marriottsville QuarryPast Producer • Quartz
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Brighton Dam Road QuarryPast Producer • Marble, Dimension
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Forsythe Mine/Rice Magnetite MinePast Producer • Iron
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Patapsco QuarryPast Producer • Quartz
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Arlington No. 1 QuarryPast Producer • Feldspar
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Hobbs Ore BankPast Producer • Iron
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Rice Ore BankPast Producer • Iron
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Fisher and Carozza QuarriesPast Producer • Feldspar
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Warfield QuarryPast Producer • Feldspar
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Pindell Quarries No. 1Past Producer • Feldspar
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Dorseys Run Quarry No. 1Past Producer • Feldspar
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Ben Murphy Mica-Beryl MinePast Producer •
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Zepp QuarryPast Producer • Feldspar
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Moody QuarryPast Producer • Feldspar
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Pindell Quarries No. 2Past Producer • Feldspar
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Biddison Pegmatite DepositProspect •
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Melvin QuarryPast Producer • Feldspar
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Harold Stromberg QuarryPast Producer • Feldspar
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Dorseys Quarry No. 2Past Producer • Feldspar
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Piccirilli QuarriesProducer • Stone, Dimension
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Streker QuarryPast Producer • Feldspar
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East Marriottsville QuarryPast Producer • Feldspar
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Arlington No. 2 QuarryPast Producer • Feldspar
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Brown Ore BanksPast Producer • Iron
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Weber QuarryPast Producer • Feldspar
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Theis Quarry No. 1Past Producer • Feldspar
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Wharton QuarryPast Producer • Feldspar
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Howard-Montgomery Crushed StoneProducer • Stone, Crushed/Broken
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Frost QuarryPast Producer • Feldspar
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Hanna QuarryPast Producer • Feldspar
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Melvin Quarry No. 1Past Producer • Feldspar
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Brooks Ore BankPast Producer • Iron
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Mathews QuarryPast Producer • Feldspar
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Fagan QuarriesPast Producer • Feldspar
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South Marriottsville QuarryPast Producer • Feldspar
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Maryland Mica Company MinePast Producer • Mica
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Melvin Quarry No. 2Past Producer • Feldspar
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Theis Quarry No. 2Past Producer • Feldspar
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Mount St.Clement College QuarryPast Producer • Feldspar
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Haslup Ore BankPast Producer • Iron
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*onnor Farm QuarriesPast Producer • Feldspar
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Baltimore Feldspar Company QuarryPast Producer • Feldspar
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Baltimore Feldspar Company QuarriesPast Producer • Feldspar
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Parlet ProspectProspect • Mica
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Product Sales Company QuarryPast Producer • Feldspar
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Theis Quarry No. 3Past Producer • Feldspar
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Gudelsky FarmProspect • Mica
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Cordy QuarryPast Producer • Feldspar
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Forsythe MinePast Producer • Iron
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Highe Quarry No. 1Past Producer • Feldspar
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Talbott Ore BankPast Producer • Iron
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Shipley QuarryPast Producer • Feldspar
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Gary QuarryPast Producer • Feldspar
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Highe Quarry No. 2Past Producer • Feldspar
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Brown QuarriesPast Producer • Feldspar
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Albert Sandusky QuarriesPast Producer • Feldspar
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Baugh and Sons Company QuarryPast Producer • Feldspar
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Patapsco QuarryPast Producer • Stone, Dimension
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Wright QuarryPast Producer • Feldspar
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George Iager Beryl-Mica ProspectsPast Producer •
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Perry QuarriesPast Producer • Feldspar
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Feazer QuarryPast Producer • Feldspar
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