Port Deposit QuarryPast Producer • Granite
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Elk Mills QuarryProducer • Stone, Crushed/Broken
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Bacon Hill Sand PitPast Producer • Sand and Gravel, Construction
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North East PitPast Producer • Sand and Gravel, Construction
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Johnstons Gravel PitPast Producer • Sand and Gravel, Construction
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Md Sand, Gravel & Stone Co. PitPast Producer • Sand and Gravel, Construction
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Northeast Pit and MillPast Producer • Sand and Gravel, Construction
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Belvidere Pit and PlantPast Producer • Sand and Gravel, Construction
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Vernon H. Kincaid Sand & Gravel PitPast Producer • Sand and Gravel, Construction
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Wood MinePast Producer • Chromium
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Line Pit Low* MinePast Producer • Chromium
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Stevenson Farm PlacerPast Producer • Chromium
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Perryville Pit and MillPast Producer • Sand and Gravel, Construction
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Mechanics Valley QuarryProducer • Stone, Crushed/Broken
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Dawson QuarryPast Producer • Feldspar
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North East QuarryProducer • Stone, Crushed/Broken
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Taylor QuarryPast Producer • Feldspar
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Line Pit MinePast Producer •
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Lincoln Farm PlacerPast Producer •
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Northeast PitProducer • Sand and Gravel, Construction
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Mechanics Valley QuarryProducer • Stone, Crushed/Broken
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Perryville PitProducer • Sand and Gravel, Construction
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Bald Friar QuarryPast Producer • Feldspar
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Reynolds Farm PlacerPast Producer •
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Conowingo Marble and Mineral QuarryPast Producer • Feldspar
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Riley Sand Chrome PropertyProspect • Chromium
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Worth Brothers QuarryPast Producer • Feldspar
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Marshall Sand Chrome PropertyPast Producer • Chromium
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John R. Harris ProspectProspect • Chromium
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Port Deposit QuarryPast Producer • Granite
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Stubbs Sand-Chrome PropertyProspect •
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Hile WorksPast Producer • Stone, Crushed/Broken
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Furnace Bay PitProducer • Sand and Gravel, Construction
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Stevenson Farm PlacerPast Producer •
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Bacon Hill Sand PitPast Producer • Sand and Gravel, Construction
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Bald Friar Quarry #2Past Producer • Feldspar
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Elk Mills QuarryProducer • Stone, Crushed/Broken
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Caldwell Quarry OriginalPast Producer • Feldspar
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Browns Farm PlacerPast Producer •
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Tweed PropertyPast Producer •
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Vernon H. Kincaid Sand & Gravel PitPast Producer • Sand and Gravel, Construction
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Preston Farm PitsPast Producer •
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Mcvey QuarryPast Producer • Feldspar
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Weiant PropertyPast Producer •
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Southwest Rock Springs PitsPast Producer •
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Md Sand, Gravel & Stone Co. PitProducer • Sand and Gravel, Construction
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Schofield Sand Chrome DepositOccurrence •
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Belvedere PitProducer • Sand and Gravel, Construction
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Johnstons Gravel PitPast Producer • Sand and Gravel, Construction
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Cedar RunProspect •
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Caldwell QuarriesPast Producer • Feldspar
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