Mines in Putnam County, New York

Putnam County, New York has 97 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 6 of these are currently active mining operations. The most commonly recorded commodity is iron, with 43 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Putnam County

Mine	Commodity	Type	Status	Source
Patterson Quarry Plant #79	Crushed, Broken Granite	Surface	Active	MSHA
Brewster Mill	Sand and Gravel, Construction	Processing Plant	Producer	MRDS
Granitic Gneiss Rock Quarry No. Hk-026	Stone		Producer	MRDS
North Highlands Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Patterson Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Patterson Quarry and Mill	Stone, Crushed/Broken		Producer	MRDS
Blackberry Magnetite Mine	Iron		Past Producer	MRDS
Blackberry Magnetite Mine	Iron		Past Producer	MRDS
Blackberry/mahopac Mines	Iron		Past Producer	MRDS
Brady Farm Shaft	Iron	Underground	Prospect	MRDS
Brewster Magnetite Mine	Iron		Past Producer	MRDS
Brewster Mines		Underground	Past Producer	MRDS
Brewster/tilly Foster Mine	Iron		Past Producer	MRDS
Brown's Quarry	Arsenic		Occurrence	MRDS
Canada Magnetite Mine	Iron		Past Producer	MRDS
Canada Mine	Iron		Past Producer	MRDS
Canada Mine		Surface	Past Producer	MRDS
Canopus Mine		Underground	Past Producer	MRDS
Canopus Nelson Magnetite Mine	Iron		Past Producer	MRDS
Chalmers Fahnestock Uranium Claims	Uranium		Prospect	MRDS
Clover Hill Magnetite Mine	Iron		Past Producer	MRDS
Coal Grove Magnetite Mine	Iron		Past Producer	MRDS
Coal Grove Magnetite Mine	Iron		Past Producer	MRDS
Constitution Island Occurrence	Molybdenum		Occurrence	MRDS
Cotton Rock Stilbite Deposit	Zeolites		Occurrence	MRDS
Croft Magnetite Mine	Iron		Past Producer	MRDS
Croft Mine	Iron		Past Producer	MRDS
Croft Mine		Surface-Underground	Past Producer	MRDS
Croton - Theall Magnetite Mine	Iron		Past Producer	MRDS
Croton Magnetite Iron Mines		Surface-Underground	Past Producer	MRDS
Croton-Mc Collum Magnetite Mine	Iron		Past Producer	MRDS
Croton-Theall Magnetite Mine	Iron		Past Producer	MRDS
Croton-Theall/croton-McCollum Mines	Iron		Past Producer	MRDS
Denny Magnetite Mine	Iron		Past Producer	MRDS
Denny Mine		Surface	Prospect	MRDS
Granitic Gneiss Rock Quarry	Stone	Surface	Past Producer	MRDS
Granitic Gneiss Rock Quarry	Stone	Surface	Past Producer	MRDS
Granitic Gneiss Rock Quarry	Stone	Surface	Past Producer	MRDS
Granitic Gneiss Rock Quarry No. Gk-013	Stone		Past Producer	MRDS
Granitic Gneiss Rock Quarry No. Hk-025	Stone		Past Producer	MRDS
Granitic Gneiss Rock Quarry No. Hk-027	Stone		Past Producer	MRDS
Harvey Pit	Iron		Prospect	MRDS
Hatfield Adit	Iron	Underground	Prospect	MRDS
Hobby Pyritiferous Ore	Iron		Prospect	MRDS
Hobby Pyritiferous Ore Opening	Iron, Sulfur		Past Producer	MRDS
Hustis Quarry	Titanium		Occurrence	MRDS
Kemble Magnetite Mine	Iron		Past Producer	MRDS
Kemble Magnetite Mine	Iron		Past Producer	MRDS
Kemble Mine/coal Grove/canopus Mine	Iron		Past Producer	MRDS
Kinnaird Graphite Property Deposit	Graphite		Occurrence	MRDS
Leemac Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Leemac Pit and Plant	Sand and Gravel, Construction		Past Producer	MRDS
Magnetite Mine No. Gk-012	Iron		Past Producer	MRDS
Magnetite Mine No. Gk-012	Iron		Past Producer	MRDS
Mahopac Magnetite Mine	Iron		Past Producer	MRDS
Mahopac Mine		Underground	Past Producer	MRDS
Marble Rock Quarry No. 6k	Marble, Dimension	Surface	Past Producer	MRDS
Marble Rock Quarry No. Gk-011	Stone, Dimension		Past Producer	MRDS
N. Bradley's Limonite Pit	Iron		Past Producer	MRDS
Nathaniel Bradley's Limonite Mine	Iron		Past Producer	MRDS
Nathaniel Bradley's Limonite Pits	Iron, Manganese		Past Producer	MRDS
Phillips Mine	Molybdenum, Uranium		Occurrence	MRDS
Phillips Sulfide, Magnetite Mine	Iron		Past Producer	MRDS
Phillips Sulfide, Magnetite, and Uranium Mine	Iron, Sulfur		Past Producer	MRDS
Pratt Magnetite Mine	Iron		Past Producer	MRDS
Pratt Mine		Surface-Underground	Past Producer	MRDS
Probably Serpentine Marble Rock Quarry No. Hk-022	Stone, Dimension		Past Producer	MRDS
Probably Serpentine Marble Rock Quarry No. Hk-023	Stone		Past Producer	MRDS
Probably Serpentine Marble Rock Quarry No. Hk-024	Stone		Past Producer	MRDS
Putman Co. As Mine	Arsenic		Past Producer	MRDS
Putnam County Arsenic Mine	Arsenic, Sulfur, Iron		Past Producer	MRDS
Putnam County Arsenic Mine	Arsenic		Past Producer	MRDS
Sackett Magnetite Mine	Iron		Past Producer	MRDS
Sackett Mine		Surface-Underground	Past Producer	MRDS
Sackett Mine/pratt/denny/stewartsunk Mines	Iron		Past Producer	MRDS
Serpentine Marble Quarry	Marble, Dimension	Surface	Past Producer	MRDS
Serpentine Marble Quarry	Marble, Dimension	Surface	Past Producer	MRDS
Serpentine Marble Quarry	Marble, Dimension	Surface	Past Producer	MRDS
Sing Sing Ag Mine	Lead		Past Producer	MRDS
Sing Sing Silver Mine	Lead		Past Producer	MRDS
Stewart Mine		Underground	Past Producer	MRDS
Stewart Sunk Magnetite Mine	Iron		Past Producer	MRDS
The Kent Mine	Crushed, Broken Granite	Surface	Abandoned	MSHA
Tilly Foster	Molybdenum		Occurrence	MRDS
Tilly Foster Magnetite Mine	Iron		Past Producer	MRDS
Tilly Foster Mine		Surface	Past Producer	MRDS
Towners Pyrite Deposit	Sulfur		Occurrence	MRDS
Travis' Magnetite Mine	Iron		Past Producer	MRDS
Travis' Magnetite Mine	Iron		Past Producer	MRDS
Travis' Mine/clover Hill/unnamed Mines	Iron		Past Producer	MRDS
Unnamed Magnetite Mine	Iron		Past Producer	MRDS
Unnamed Magnetite Mine Dep. No. 17	Iron		Past Producer	MRDS
Unnamed Mine	Iron		Past Producer	MRDS
Vivian Pit	Iron		Prospect	MRDS
Wood Avenue Pit	Sand and Gravel, Construction		Past Producer	MRDS
Wood Avenue Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Zimmer Road Development	Crushed, Broken Stone NEC	Surface	Abandoned	MSHA