Mines in Hartford County, Connecticut

Hartford County, Connecticut has 268 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 43 of these are currently active mining operations. The most commonly recorded commodity is sand and gravel, construction, with 64 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Hartford County

Mine	Commodity	Type	Status	Source
Brickyard Pit and Mill	Construction Sand and Gravel	Surface	Active	MSHA
Galasso Materials Llc	Crushed, Broken Traprock	Surface	Active	MSHA
New Britain Quarry	Crushed, Broken Traprock	Surface	Active	MSHA
Ramp Road Plant	Construction Sand and Gravel	Surface	Active	MSHA
Tower Hill Granite	Dimension Stone NEC	Surface	Active	MSHA
Tilcon Newington Quarry	Crushed, Broken Traprock	Surface	Active	MSHA
Aiudi Stone Pit and Quarry	Stone	Surface	Producer	MRDS
Balf Manchester Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Balf Newington Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Basalt Rock Quarry No. Cj-066	Stone, Crushed/Broken		Producer	MRDS
Basalt Rock Quarry and Barite Occurrence No. Dj-026	Stone, Crushed/Broken		Producer	MRDS
Brickyard Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Bristol Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Clay Pits No. Ci-007	Clay		Producer	MRDS
Claypits No. Ci-008	Clay		Producer	MRDS
Crushed Basalt Rock Quarry No. Dj-005	Stone, Crushed/Broken		Producer	MRDS
F & F Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Farmington Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Glastonbury S & G Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hart's Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hebron Avenue Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Hollister Mica Beryl Prospect	Feldspar, Mica, Beryllium, Tantalum, Niobium (Columbium)		Producer	MRDS
Jarvis Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
K-F Pit	Clay	Surface	Producer	MRDS
Manchester Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Manchester Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
New Britain Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
New Haven Trap Rock	Sand and Gravel, Construction	Surface	Producer	MRDS
Newington Quarry	Stone, Crushed/Broken		Producer	MRDS
Norton	Sand and Gravel, Construction	Surface	Producer	MRDS
Notch Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Plainville Sand & Gravel Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Plainville Trap Rock Quarries and Copper, Zinc, Bitumen Occurrence	Stone, Crushed/Broken		Producer	MRDS
Plant Number 4	Stone, Crushed/Broken		Producer	MRDS
Quarry Road Pit	Stone, Crushed/Broken		Producer	MRDS
Quarry Road Pit	Stone, Crushed/Broken	Surface	Producer	MRDS
Rocky Hill Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Roncari Traprock Quarry	Stone, Crushed/Broken		Producer	MRDS
South Windsor Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Southington Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Tower Hill Granite Rock Quarry	Stone, Dimension		Producer	MRDS
Warren Street Quarry	Stone, Crushed/Broken		Producer	MRDS
Weigart Bank	Sand and Gravel, Construction	Surface	Producer	MRDS
30 Main Street Llc	Construction Sand and Gravel	Surface	Abandoned	MSHA
Andrew Ansaldi Company	Construction Sand and Gravel	Surface	Intermittent	MSHA
Abbott Ball Co/ Hartford, Ct.	Corundum	Processing Plant	Plant	MRDS
Aiudi Pit & Mill	Crushed, Broken Traprock	Surface	Abandoned	MSHA
American 1	Construction Sand and Gravel	Surface	Abandoned	MSHA
American Steel & Aluminum/hartford	Iron	Processing Plant	Plant	MRDS
Amethyst, Bitumen Vein Quartz Occurrence No. Dj-036	Gemstone, Rock Asphalt		Occurrence	MRDS
Amphibolite Gneiss Rock Quarries No. Cj-014	Stone		Past Producer	MRDS
Avon Plant	Sand and Gravel, Construction	Processing Plant	Plant	MRDS
Barite Occurrences No. Cj-070	Barium-Barite		Occurrence	MRDS
Basalt Rock Quarries Ii No. Dj-033	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarries No. Dj-024	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarries No. Dj-031	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Cj-063	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Cj-064	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Cj-065	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Cj-067	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Cj-068	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Cj-069	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Di-004	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Di-010	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Di-011	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Dj-021	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Dj-025	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Dj-028	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Dj-030	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Dj-032	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Dj-034	Stone, Crushed/Broken		Past Producer	MRDS
Basalt Rock Quarry No. Dj-035	Stone, Crushed/Broken		Past Producer	MRDS
Bell City Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Berin Pit	Sand and Gravel, Construction		Past Producer	MRDS
Berlin Moore's Mill Barite Mine	Barium-Barite		Past Producer	MRDS
Berlin Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Brack Beryl Prospect	Beryllium		Prospect	MRDS
Bradford Estate	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bristol Copper Mine	Molybdenum, Silver, Copper, Sulfur		Past Producer	MRDS
Bristol Mine		Underground	Past Producer	MRDS
Brooks Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Brooks Quarry	Granite	Surface	Past Producer	MRDS
Brownstone Quarry	Flagstone	Surface	Past Producer	MRDS
Brownstone Quarry	Flagstone	Surface	Past Producer	MRDS
Brownstone Quarry	Flagstone	Surface	Past Producer	MRDS
Brownstone Quarry	Flagstone	Surface	Past Producer	MRDS
Buckland Sandstone Quarries	Flagstone	Surface	Past Producer	MRDS
Burkhart Pit	Sand and Gravel, Construction		Past Producer	MRDS
Burkhart Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Burlington Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Carline Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Charles Genoni Pit	Clay	Surface	Past Producer	MRDS
Connecticut State Highway Dept. B	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Copper Mine No. Di-008	Sulfur, Copper		Past Producer	MRDS
Corbin Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Corbin Quarry	Granite	Surface	Past Producer	MRDS
Cross Street Pit	Sand and Gravel, Construction		Past Producer	MRDS
Crushed Basalt Stone Quarry No. Ci-001	Stone, Crushed/Broken		Past Producer	MRDS
Curtis Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Danielson Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Danielson Quarry	Granite	Surface	Past Producer	MRDS
Diabase Rock Quarry No. Bj-010	Stone, Crushed/Broken		Past Producer	MRDS
Diabase Rock Quarry No. Bj-011	Stone, Crushed/Broken		Past Producer	MRDS
Diabase Rock Quarry No. Di-001	Stone, Crushed/Broken		Past Producer	MRDS
Diabase Rock Quarry No. Di-003	Stone, Crushed/Broken		Past Producer	MRDS
Dividend Road Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Dunn Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Dunn Quarry	Granite	Surface	Past Producer	MRDS
East Granby Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Enfield Pit	Construction Sand and Gravel	Surface	Abandoned	MSHA
F & F Sand & Gravel Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Farmington Quarry	Stone, Crushed/Broken		Past Producer	MRDS
Feldspar Pegmatite Quarries No. Cj-013	Feldspar		Past Producer	MRDS
Feldspar Pegmatite Quarries No. Cj-015	Feldspar		Past Producer	MRDS
Feldspar Pegmatite Quarries No. Cj-016	Feldspar		Past Producer	MRDS
Fox Mine	Copper	Underground	Past Producer	MRDS
Glastonbury	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Glastonbury Granite Works Quarry	Granite	Surface	Past Producer	MRDS
Glastonbury Town Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Gorman Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Gorman Quarry	Granite	Surface	Past Producer	MRDS
Granby Notch Pit	Construction Sand and Gravel	Surface	Intermittent	MSHA
Granby Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Granite Gneiss Rock Quarries No. Cj-010	Stone, Dimension		Past Producer	MRDS
Granite Gneiss Rock Quarries No. Cj-011	Stone, Dimension		Past Producer	MRDS
Granite Gneiss Rock Quarry No. Bj-001	Stone		Past Producer	MRDS
Granite Gneiss Rock Quarry No. Cj-007	Stone, Dimension		Past Producer	MRDS
Hebron Ave. Pit and Mill	Construction Sand and Gravel	Surface	Abandoned	MSHA
Hebron Avenue Operation	Sand and Gravel, Construction		Unknown	MRDS
Higley Copper Mine	Copper		Past Producer	MRDS
Higley Mine	Copper	Surface	Past Producer	MRDS
Hollister Mica & Beryl Quarry		Surface	Past Producer	MRDS
Hollister Mica Beryl Prospect		Surface	Prospect	MRDS
Holloway Brothers Pit	Sand and Gravel, Construction		Past Producer	MRDS
Holloway Brothers Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Horbal Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Howe No. 1 Feldspar Quarry	Feldspar		Past Producer	MRDS
Howe Quarry		Surface	Past Producer	MRDS
Industrial Park Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
K F Quarry	Fire Clay	Surface	Abandoned	MSHA
K-F Pit	Clay		Past Producer	MRDS
Knapp Mica Prospect	Mica		Past Producer	MRDS
Knapp Mica Prospect		Surface	Prospect	MRDS
Lead Mine	Lead	Surface	Past Producer	MRDS
Lead Mine	Lead	Surface	Past Producer	MRDS
Lime Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Limestone Quarry No. Dj-002	Limestone, General		Past Producer	MRDS
Magnetite Mine	Iron	Surface	Past Producer	MRDS
Manchester Pit	Sand and Gravel, Construction		Past Producer	MRDS
Manchester Pit	Sand and Gravel, Construction		Past Producer	MRDS
Manchester Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Manchester Town Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Manchester Town Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Maple Avenue Pit	Sand and Gravel, Construction		Past Producer	MRDS
Maple Avenue Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Marble Quarry	Marble, Dimension	Surface	Past Producer	MRDS
Mattabesset River Lead Mine	Lead		Past Producer	MRDS
Mc Keon Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Meadow Road	Construction Sand and Gravel	Surface	Abandoned	MSHA
Mica Mines	Mica	Surface	Past Producer	MRDS
Millstone Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Monce Road Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Mullin Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Newgate North Shaft	Copper	Underground	Past Producer	MRDS
Newgate Prison Mine	Copper	Underground	Past Producer	MRDS
Notch Pit	Sand and Gravel, Construction		Past Producer	MRDS
Old Eureka Quarry		Surface	Past Producer	MRDS
Old Wiarda Quarry	Feldspar	Surface	Past Producer	MRDS
Portable Plant #1	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA
Powerscreen Chieftain 1400	Construction Sand and Gravel	Surface	Temporarily Idled	MSHA
Powerscreen Chieftain 88.574023	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Powerscreen Warrior 43.566616	Construction Sand and Gravel	Surface	Intermittent	MSHA
Palmisano Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Pegmatie Quarry		Surface	Past Producer	MRDS
Pegmatite Prospect No. Di-002	Feldspar, Quartz		Past Producer	MRDS
Pegmatite Quarries		Surface	Past Producer	MRDS
Pegmatite Quarries		Surface	Past Producer	MRDS
Pegmatite Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Plainville Pit	Sand and Gravel, Construction		Past Producer	MRDS
Plant No. 17	Sand and Gravel, Construction	Surface	Plant	MRDS
Plant Number 17	Sand and Gravel, Construction		Past Producer	MRDS
Powerscreen Chiefton 1700x	Crushed, Broken Stone NEC	Surface	Intermittent	MSHA
Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Quarry	Granite	Underground	Past Producer	MRDS
Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Rocky Hill Mine	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Roncari Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Russo Brothers Pit	Sand and Gravel, Construction		Past Producer	MRDS
Russo Brothers Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Sandstone Quarry	Flagstone	Surface	Past Producer	MRDS
Sandstone Quarry	Flagstone	Surface	Past Producer	MRDS
Sandstone Quarry	Flagstone	Surface	Past Producer	MRDS
Sandstone Quarry #ci-009	Flagstone	Surface	Past Producer	MRDS
Sandstone Quarry #di-005	Flagstone	Surface	Past Producer	MRDS
Sandstone Quarry #di-012	Flagstone	Surface	Past Producer	MRDS
Sandstone Quarry No. Di-005	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Ci-006	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Ci-009	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Ci-010	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Ci-011	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Ci-012	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Di-009	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Di-012	Stone, Dimension		Past Producer	MRDS
Sandstone Rock Quarry No. Dj-022	Stone, Dimension		Past Producer	MRDS
Sanitary Landfill	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Scalia Brothers Trucking Co	Construction Sand and Gravel	Surface	Abandoned	MSHA
Scalia Pit & Mill	Sand and Gravel, Construction		Unknown	MRDS
Scalia Pit & Mill	Sand and Gravel, Construction	Surface	Unknown	MRDS
Scrub Road Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Seymour Street Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Seymour Street Quarry	Granite	Surface	Past Producer	MRDS
Silver Mine	Silver	Surface	Past Producer	MRDS
Simeone Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Simsbury Copper Mine	Copper		Past Producer	MRDS
Simsbury Newgate Prison Copper Mine	Copper		Past Producer	MRDS
Simsbury Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Slater Granite Gneiss Rock Quarry	Stone, Dimension		Past Producer	MRDS
Slater Quarry	Granite	Surface	Past Producer	MRDS
South Windsor	Bloating Material		Past Producer	MRDS
South Windsor Pit	Sand and Gravel, Construction		Unknown	MRDS
Southington Pit & Plant	Construction Sand and Gravel	Surface	Abandoned	MSHA
Sphalerite Vein Quartz Occurrence No. Dj-023	Zinc, Sulfur		Occurrence	MRDS
Spinelli Feldspar-Samarskite Pegmatite Prospect Quarry	Tantalum, REE, Niobium (Columbium), Beryllium, Mica, Feldspar		Past Producer	MRDS
Spinelli Samarskite Prospect	Mica	Surface	Prospect	MRDS
Tilcon Manchester Quarry	Construction Sand and Gravel	Surface	Abandoned	MSHA
Tower Hill Quarry	Granite		Past Producer	MRDS
Tower Hill Quarry	Granite	Surface	Past Producer	MRDS
Traprock Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarries	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Traprock Quarry	Stone, Dimension	Surface	Past Producer	MRDS
Tusband Quarry		Surface	Past Producer	MRDS
Unnamed Magnetite Occurrence	Iron		Occurrence	MRDS
Vincent Pit	Sand and Gravel, Construction		Past Producer	MRDS
Vincent Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Ww Manchester	Sand, Common	Surface	Abandoned	MSHA
Wapping Sand & Gravel	Construction Sand and Gravel	Surface	Abandoned	MSHA
Whigville Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Wiarda Quarries	Feldspar	Surface	Past Producer	MRDS
Windsorville Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Wotton Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Wyllys Copper Mine	Copper	Surface	Past Producer	MRDS