Browse mineral resources

Port Deposit Quarry

Past Producer • Granite

Elk Mills Quarry

Producer • Stone, Crushed/Broken

Bacon Hill Sand Pit

Past Producer • Sand and Gravel, Construction

North East Pit

Past Producer • Sand and Gravel, Construction

Johnstons Gravel Pit

Past Producer • Sand and Gravel, Construction

Md Sand, Gravel & Stone Co. Pit

Past Producer • Sand and Gravel, Construction

Northeast Pit and Mill

Past Producer • Sand and Gravel, Construction

Belvidere Pit and Plant

Past Producer • Sand and Gravel, Construction

Vernon H. Kincaid Sand & Gravel Pit

Past Producer • Sand and Gravel, Construction

Wood Mine

Past Producer • Chromium

Line Pit Low* Mine

Past Producer • Chromium

Stevenson Farm Placer

Past Producer • Chromium

Perryville Pit and Mill

Past Producer • Sand and Gravel, Construction

Mechanics Valley Quarry

Producer • Stone, Crushed/Broken

Dawson Quarry

Past Producer • Feldspar

North East Quarry

Producer • Stone, Crushed/Broken

Taylor Quarry

Past Producer • Feldspar

Line Pit Mine

Past Producer •

Lincoln Farm Placer

Past Producer •

Northeast Pit

Producer • Sand and Gravel, Construction

Mechanics Valley Quarry

Producer • Stone, Crushed/Broken

Perryville Pit

Producer • Sand and Gravel, Construction

Bald Friar Quarry

Past Producer • Feldspar

Reynolds Farm Placer

Past Producer •

Conowingo Marble and Mineral Quarry

Past Producer • Feldspar

Riley Sand Chrome Property

Prospect • Chromium

Worth Brothers Quarry

Past Producer • Feldspar

Marshall Sand Chrome Property

Past Producer • Chromium

John R. Harris Prospect

Prospect • Chromium

Port Deposit Quarry

Past Producer • Granite

Hile Works

Past Producer • Stone, Crushed/Broken

Furnace Bay Pit

Producer • Sand and Gravel, Construction

Stevenson Farm Placer

Past Producer •

Bacon Hill Sand Pit

Past Producer • Sand and Gravel, Construction

Bald Friar Quarry #2

Past Producer • Feldspar

Elk Mills Quarry

Producer • Stone, Crushed/Broken

Caldwell Quarry Original

Past Producer • Feldspar

Browns Farm Placer

Past Producer •

Tweed Property

Past Producer •

Vernon H. Kincaid Sand & Gravel Pit

Past Producer • Sand and Gravel, Construction

Preston Farm Pits

Past Producer •

Mcvey Quarry

Past Producer • Feldspar

Weiant Property

Past Producer •

Southwest Rock Springs Pits

Past Producer •

Md Sand, Gravel & Stone Co. Pit

Producer • Sand and Gravel, Construction

Belvedere Pit

Producer • Sand and Gravel, Construction

Johnstons Gravel Pit

Past Producer • Sand and Gravel, Construction

Cedar Run

Prospect •

Caldwell Quarries

Past Producer • Feldspar