Portland, CT Mines

Mine	Owner	Land Status	Work Type	Minerals
Amphibolite Gneiss Rockquarry No. Cj-028				Stone
Arkose Rock Quarry No. Cj-037				Stone, Dimension
Beryl Feldspar Pegmatite Prospect No. Cj-035				Feldspar
Feldspar Corporation	The Feldspar Corp.	Unknown		Feldspar
Hale Mine				Feldspar
Hale Mine	The Feldspar Corp.	Unknown		Feldspar
Hale-Walker Beryl Prospect and Feldspar Mine				Beryllium Feldspar Niobium (Columbium) Tantalum
Middletown Lead-Silver Mine				Lead Silver
Middletown Lead-Silver Mine		Private		Lead Stone
Middletown Mill	Diamond Mica Co.	Unknown		Mica
Middletown Mine		Unknown		Barium Lead Zinc
Pegmatite Quarry		Private		Beryllium Feldspar Mica
Portland Brownstone Quarries		Private		Flagstone
Portland Town Pit	Town Of Portland	Private		Sand and Gravel
Quarry		Private		Stone, Dimension
Roadmetal Quarry		Private		Stone, Crushed
Strickland-Cramer Feldspar-Mica Quarries	Strickland, F. E. (Open Pit - Southern Half )		Surface/Underground	Beryllium Feldspar Mica Niobium (Columbium) REE Tantalum
Strickland-Cramer Quarry	F. E. Strickland	Private		Feldspar Mica Tin
Tollgate Mica-Feldspar Mine			Surface/Underground	Feldspar Mica Niobium (Columbium) Tantalum
Tollgate Mica-Feldspar Mine		Private		Feldspar Mica
Western Quarry		Private		Beryllium Feldspar Mica
White Rock Pegmatite Quarries				Feldspar
White Rock Pegmatite Quarry		Private		Beryllium Feldspar Mica
Y.M.C.A. Pit	Hubert E. Butler Construction Co.	Unknown		Sand and Gravel