Mines in Lake County, Colorado
503Total
50Active
Lake County, Colorado has 503 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 50 of these are currently active mining operations. The most commonly recorded commodity is manganese, with 126 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Lake County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Climax Mine | Molybdenum Ore | Surface | Active | MSHA |
| Ballard-President-Big Six | Iron, Silver, Bismuth | Producer | MRDS | |
| Birdella Shaft | Manganese | Underground | Producer | MRDS |
| Black Cloud Mine | Lead, Zinc | Underground | Producer | MRDS |
| Chalk Mtn | Garnet | Surface | Producer | MRDS |
| Chautauquan | Lead, Zinc | Producer | MRDS | |
| Climax Mill (Facility) | Molybdenum | Processing Plant | Producer | MRDS |
| Climax Molybdenum Deposit | Molybdenum | Surface-Underground | Producer | MRDS |
| Climax Surface Mine Open Pit | Surface | Producer | MRDS | |
| Comstock Copper Mine | Lead, Zinc, Silver | Producer | MRDS | |
| Derry Dredge | Gold | Producer | MRDS | |
| Garibaldi Tunnel | Lead, Zinc, Gold, Silver | Producer | MRDS | |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Hayden Shaft | Lead, Zinc, Silver | Producer | MRDS | |
| Hellena - Ibex Extension | Lead, Zinc, Silver | Producer | MRDS | |
| Hopemore | Lead | Underground | Producer | MRDS |
| Iowa Gulch | Barium-Barite | Surface | Producer | MRDS |
| Iron Mask | Gemstone | Surface | Producer | MRDS |
| Jones Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Leadville | Zinc, Lead | Producer | MRDS | |
| Little Corinne | Lead, Silver, Gold | Producer | MRDS | |
| Miller | Fluorine-Fluorite | Surface | Producer | MRDS |
| Mountain Boy | Barium-Barite | Surface | Producer | MRDS |
| Norsigo Mill | Sulfur | Processing Plant | Producer | MRDS |
| Pine View | Silica | Producer | MRDS | |
| Poor Boy | Gemstone | Surface | Producer | MRDS |
| President Shaft | Manganese | Underground | Producer | MRDS |
| Ready Cash | Manganese | Underground | Producer | MRDS |
| Smith-Bullard Mines, Inc. | Lead, Zinc, Silver, Manganese | Producer | MRDS | |
| St. Kevin Shaft | Manganese | Surface | Producer | MRDS |
| Starr Placer Coronado | Silver, Lead, Zinc | Producer | MRDS | |
| Turquoise Chief | Gemstone | Surface | Producer | MRDS |
| Turquoise Chief, Poor Boy | Copper, Uranium, Gemstone | Producer | MRDS | |
| Unknown | Gold | Producer | MRDS | |
| Unknown | Gold | Producer | MRDS | |
| Webster Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| 50-3-03 Portable Wash Plant Ii | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| 50-3-13 Pioneer 3042 Jaw Crusher | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| A M Mine | Underground | Past Producer | MRDS | |
| A V Mine | Underground | Past Producer | MRDS | |
| Adams Shaft | Gold | Underground | Past Producer | MRDS |
| Aetna Mine | Underground | Past Producer | MRDS | |
| Agassiz Mine | Underground | Past Producer | MRDS | |
| Agwalt Tunnel | Gold | Underground | Past Producer | MRDS |
| Alice Placer Mine | Underground | Past Producer | MRDS | |
| All Right Mine | Underground | Past Producer | MRDS | |
| Altoona | Gold | Underground | Past Producer | MRDS |
| American Eagle | Gold | Underground | Past Producer | MRDS |
| Amie Mine | Underground | Past Producer | MRDS | |
| Amity Shaft | Manganese | Underground | Past Producer | MRDS |
| Antioch Quarry | Stone | Surface | Past Producer | MRDS |
| Arkansas Pit | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Arkansas River Placers | Gold | Occurrence | MRDS | |
| Badger State Mine | Gold | Underground | Past Producer | MRDS |
| Bald Mtn Shaft | Gold | Underground | Past Producer | MRDS |
| Ball Mountain | Lead | Underground | Past Producer | MRDS |
| Ballard | Gold | Underground | Past Producer | MRDS |
| Bangkok Mine | Underground | Past Producer | MRDS | |
| Banker Mine | Gold | Underground | Past Producer | MRDS |
| Banner Mine | Gold | Underground | Past Producer | MRDS |
| Bartell Mines | Lead | Occurrence | MRDS | |
| Bartlett Mines | Lead | Underground | Past Producer | MRDS |
| Bartlett Shaft | Manganese | Surface | Past Producer | MRDS |
| Bates | Gold | Placer | Past Producer | MRDS |
| Beck Shaft | Gold | Underground | Past Producer | MRDS |
| Belcher Shaft | Gold | Underground | Past Producer | MRDS |
| Belgian Mine | Manganese | Surface | Past Producer | MRDS |
| Belle Placer | Lead, Zinc, Gold, Silver | Occurrence | MRDS | |
| Belle Placer | Lead | Underground | Past Producer | MRDS |
| Ben Burb Shaft | Gold | Underground | Past Producer | MRDS |
| Bengal Tiger | Manganese | Underground | Past Producer | MRDS |
| Benton Mine | Underground | Past Producer | MRDS | |
| Bessie Wilgus Shaft | Gold | Underground | Past Producer | MRDS |
| Big Chicago | Gold | Underground | Past Producer | MRDS |
| Big Chief Mine | Underground | Past Producer | MRDS | |
| Bison Shaft | Gold | Underground | Past Producer | MRDS |
| Black Cloud Mill | Lead, Zinc | Processing Plant | Plant | MRDS |
| Black Cloud Millseq# 0080650123 | Lead, Zinc | Underground | Plant | MRDS |
| Black Prince | Gold | Underground | Past Producer | MRDS |
| Blanche | Gold | Underground | Past Producer | MRDS |
| Blind Tom | Manganese | Surface | Past Producer | MRDS |
| Blonger Mine | Underground | Past Producer | MRDS | |
| Bob Ingersol | Gold | Underground | Past Producer | MRDS |
| Boehmer | Gold | Underground | Past Producer | MRDS |
| Bohn Mine | Underground | Past Producer | MRDS | |
| Bon Air | Gold | Underground | Past Producer | MRDS |
| Box Creek Placer | Gold Ore | Surface | Intermittent | MSHA |
| Boyd Tunnel | Manganese | Underground | Past Producer | MRDS |
| Breece Hill Properties | Gold, Lead, Silver, Zinc | Past Producer | MRDS | |
| Buckeye Gulch Placers | Gold | Occurrence | MRDS | |
| Buckeye Mine | Underground | Past Producer | MRDS | |
| Bullseye Mine | Underground | Past Producer | MRDS | |
| Burton Placer | Gold | Placer | Past Producer | MRDS |
| Cache Creek Park Placers | Gold | Occurrence | MRDS | |
| Cady Mine | Underground | Past Producer | MRDS | |
| Canterbury Hill | Manganese | Underground | Past Producer | MRDS |
| Capitol Northern Mine | Underground | Past Producer | MRDS | |
| Carbonate Mine | Underground | Past Producer | MRDS | |
| Casey | Lead | Underground | Past Producer | MRDS |
| Castle View Mine | Underground | Past Producer | MRDS | |
| Catalpa Mine | Underground | Past Producer | MRDS | |
| Ceresco | Gold | Underground | Past Producer | MRDS |
| Cerlew Placer | Manganese | Underground | Past Producer | MRDS |
| Chalk Mountain | Gemstone | Occurrence | MRDS | |
| Chaugauquan | Lead, Zinc, Gold, Silver | Occurrence | MRDS | |
| Chautauquan Mine | Lead | Underground | Past Producer | MRDS |
| Chippewa | Gold | Underground | Past Producer | MRDS |
| Chrysolite Mine | Zinc | Underground | Past Producer | MRDS |
| Clarendon Placer | Manganese | Placer | Past Producer | MRDS |
| Clear Grit | Gold | Underground | Past Producer | MRDS |
| Cleveland | Gold | Underground | Past Producer | MRDS |
| Climax Underground | Molybdenum Ore | Underground | Abandoned | MSHA |
| Cloud City Shaft | Manganese | Underground | Past Producer | MRDS |
| Cloverleaf | Gold | Underground | Past Producer | MRDS |
| Cochran Helen H | Gold | Underground | Past Producer | MRDS |
| Codfish Balls | Manganese | Surface | Past Producer | MRDS |
| Colorado Belle Placer | Manganese | Placer | Past Producer | MRDS |
| Colorado Princess | Gold | Underground | Past Producer | MRDS |
| Colorado Travel Tunnel | Molybdenum, Silver, Lead | Underground | Past Producer | MRDS |
| Colorado, Little Frying Pan Gulches | Gold | Occurrence | MRDS | |
| Columbia #2 Mine | Gold | Underground | Past Producer | MRDS |
| Columbia Tunnel | Lead | Underground | Past Producer | MRDS |
| Comstock Copper Mine | Copper | Surface | Past Producer | MRDS |
| Continental Chief | Silver, Lead, Zinc | Past Producer | MRDS | |
| Continental Chief | Lead | Underground | Past Producer | MRDS |
| Contract Shaft | Gold | Underground | Past Producer | MRDS |
| Coon Valley | Manganese | Surface | Past Producer | MRDS |
| Cora Belle Mine | Underground | Past Producer | MRDS | |
| Cord Mine | Underground | Past Producer | MRDS | |
| Coronado Mine | Underground | Past Producer | MRDS | |
| Crescent Mine | Underground | Past Producer | MRDS | |
| Crescentia Shaft | Gold | Underground | Past Producer | MRDS |
| Crown Point | Gold | Underground | Past Producer | MRDS |
| Daly | Lead | Underground | Past Producer | MRDS |
| Delante Shaft | Gold | Underground | Past Producer | MRDS |
| Delmonte Mine | Underground | Past Producer | MRDS | |
| Denver City Mine | Underground | Past Producer | MRDS | |
| Derry Ranch Placers | Gold | Occurrence | MRDS | |
| Diamond Mine | Gold, Lead, Zinc, Silver | Underground | Past Producer | MRDS |
| Dillion | Gold | Underground | Past Producer | MRDS |
| Dinero Tunnel | Manganese | Underground | Past Producer | MRDS |
| Dodridge | Gold | Underground | Past Producer | MRDS |
| Dome | Lead | Underground | Past Producer | MRDS |
| Double Decker | Gold | Underground | Past Producer | MRDS |
| Doublecheck | Gold | Underground | Past Producer | MRDS |
| Doublin Tunnel | Lead | Underground | Past Producer | MRDS |
| Dunkin Mine | Underground | Past Producer | MRDS | |
| E Flagstaff | Manganese | Surface | Past Producer | MRDS |
| Eagle Number 1 Mine | Surface-Underground | Prospect | MRDS | |
| East Tennessee Gulch Placers | Gold | Occurrence | MRDS | |
| Eclipse | Gold | Underground | Past Producer | MRDS |
| Eliza Hamburg | Gold | Underground | Past Producer | MRDS |
| Elk | Lead | Underground | Past Producer | MRDS |
| Elk & Grey Swan Group | Lead | Underground | Past Producer | MRDS |
| Elkhorn Shaft | Manganese | Underground | Past Producer | MRDS |
| Ella Beeler | Silver, Gold | Underground | Past Producer | MRDS |
| Emily Shaft Hollis Property | Silver | Occurrence | MRDS | |
| Emmett Mine | Underground | Past Producer | MRDS | |
| Estay Tunnel | Gold | Underground | Past Producer | MRDS |
| Eureka | Manganese | Underground | Past Producer | MRDS |
| Evelyn Mine | Underground | Past Producer | MRDS | |
| Evening Star | Gold | Underground | Past Producer | MRDS |
| Fairview Hill | Manganese | Underground | Past Producer | MRDS |
| Fairview Mine | Underground | Past Producer | MRDS | |
| Famous Mine | Lead | Underground | Past Producer | MRDS |
| Fanny Rawlins | Lead | Underground | Past Producer | MRDS |
| Finnerty | Uranium | Underground | Past Producer | MRDS |
| Fitzhugh | Manganese | Underground | Past Producer | MRDS |
| Flume Gulch Placers | Gold | Occurrence | MRDS | |
| Forepaugh Mine | Underground | Past Producer | MRDS | |
| Forest Rose | Gold | Underground | Past Producer | MRDS |
| Fortune Mine | Manganese | Underground | Past Producer | MRDS |
| Foster Combination Mine | Underground | Past Producer | MRDS | |
| Free America #2 | Lead | Underground | Past Producer | MRDS |
| Fryer Hill | Lead | Underground | Past Producer | MRDS |
| Gallagher Old Mikado | Lead | Underground | Past Producer | MRDS |
| Gambetta Mine | Underground | Past Producer | MRDS | |
| Garbutt | Manganese | Underground | Past Producer | MRDS |
| Garibaldi Tunnel | Lead | Underground | Past Producer | MRDS |
| Giant | Silver | Underground | Past Producer | MRDS |
| Glass-Pendery | Lead | Underground | Past Producer | MRDS |
| Gleason | Manganese | Underground | Past Producer | MRDS |
| Golden Curry | Manganese | Underground | Past Producer | MRDS |
| Gordon Mine | Manganese | Underground | Past Producer | MRDS |
| Granite Tunnel Group | Gold | Past Producer | MRDS | |
| Gravel Pit | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Gray Eagle Mine | Underground | Past Producer | MRDS | |
| Great O'Sullivan Mine | Underground | Past Producer | MRDS | |
| Griffin Tunnel | Manganese | Surface | Past Producer | MRDS |
| Hopemore Mine | Gold Ore | Underground | Abandoned | MSHA |
| Habendum | Manganese | Underground | Past Producer | MRDS |
| Hamilton Gleason Const. | Limestone, General | Occurrence | MRDS | |
| Hard To Beat | Uranium | Underground | Past Producer | MRDS |
| Harvard | Manganese | Underground | Past Producer | MRDS |
| Harvard No. 1 Mine | Underground | Past Producer | MRDS | |
| Hayden Ranch Placers | Gold | Occurrence | MRDS | |
| Hayden Ranch Placers | Gold | Occurrence | MRDS | |
| Hayden Shaft | Lead | Underground | Past Producer | MRDS |
| Haytrosser Mine | Underground | Past Producer | MRDS | |
| Hazard Mine | Underground | Past Producer | MRDS | |
| Hegeman Mine | Underground | Past Producer | MRDS | |
| Hellena-Ibex | Lead | Underground | Past Producer | MRDS |
| Henrietta Mine | Underground | Past Producer | MRDS | |
| Hess Tunnel | Silver | Underground | Past Producer | MRDS |
| Hibernia | Lead | Underground | Past Producer | MRDS |
| Hibschle Mine | Underground | Past Producer | MRDS | |
| Highland Chief Mine | Underground | Past Producer | MRDS | |
| Highland Mary Tunnel | Manganese | Underground | Past Producer | MRDS |
| Hoffer | Manganese | Underground | Past Producer | MRDS |
| Home Extension Mine | Underground | Past Producer | MRDS | |
| Homestake Mine | Manganese | Underground | Past Producer | MRDS |
| Hope Mine | Underground | Past Producer | MRDS | |
| Hopemore Mine | Lead, Silver, Gold, Zinc | Underground | Past Producer | MRDS |
| Houston Tunnel | Lead | Underground | Past Producer | MRDS |
| Howard Shaft | Manganese | Underground | Past Producer | MRDS |
| Huckleberry Shaft | Manganese | Underground | Past Producer | MRDS |
| Hugh Shaft | Manganese | Underground | Past Producer | MRDS |
| Hussy | Lead | Underground | Past Producer | MRDS |
| Ibex | Lead | Underground | Past Producer | MRDS |
| Ibex-Sunday Area | Occurrence | MRDS | ||
| Ida Nyce Shaft | Lead | Underground | Past Producer | MRDS |
| Irene | Manganese | Underground | Past Producer | MRDS |
| Iron | Iron | Underground | Past Producer | MRDS |
| J R Loker | Manganese | Underground | Past Producer | MRDS |
| Jamie Lee | Manganese | Underground | Past Producer | MRDS |
| Jason Mine | Underground | Past Producer | MRDS | |
| Jennie June Mine | Manganese | Surface | Past Producer | MRDS |
| John Reed | Gemstone, Zinc, Lead, Gold, Silver | Underground | Past Producer | MRDS |
| Johnson | Lead | Underground | Past Producer | MRDS |
| Jones Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Julia Fiske Mine | Lead | Underground | Past Producer | MRDS |
| Kathy K Mine | Gold | Underground | Past Producer | MRDS |
| Katy | Lead | Underground | Past Producer | MRDS |
| Keene Shaft | Lead | Underground | Past Producer | MRDS |
| Keno Shaft | Lead | Underground | Past Producer | MRDS |
| Kleff Shaft | Lead | Underground | Past Producer | MRDS |
| Kroll | Lead | Underground | Past Producer | MRDS |
| Lake County Crusher | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Lake Creek Placers | Gold | Occurrence | MRDS | |
| Last Chip | Lead | Underground | Past Producer | MRDS |
| Last Chip #1 | Lead | Underground | Past Producer | MRDS |
| Last Chip #2 | Lead | Underground | Past Producer | MRDS |
| Last Chip #3 | Lead | Underground | Past Producer | MRDS |
| Lazy Bill | Lead | Underground | Past Producer | MRDS |
| Leadville | Tungsten, Gold | Occurrence | MRDS | |
| Leadville District | Silver, Zinc, Gold, Lead | Surface-Underground | Past Producer | MRDS |
| Leadville Mill | Gold Ore | Facility | Abandoned | MSHA |
| Leadville Mill (day Mines/hecla) | Lead, Silver | Processing Plant | Past Producer | MRDS |
| Little Alice Tunnel | Silver | Underground | Past Producer | MRDS |
| Little Annie | Manganese | Underground | Past Producer | MRDS |
| Little Bob Shaft | Lead | Underground | Past Producer | MRDS |
| Little Chief Mine | Underground | Past Producer | MRDS | |
| Little Corinne | Lead | Underground | Past Producer | MRDS |
| Little Ellen | Lead | Underground | Past Producer | MRDS |
| Little Eva | Lead | Underground | Past Producer | MRDS |
| Little Galesburg | Gold | Underground | Past Producer | MRDS |
| Little Giant | Lead | Underground | Past Producer | MRDS |
| Little Keystone Shaft | Gold | Underground | Plant | MRDS |
| Little Major | Manganese | Underground | Past Producer | MRDS |
| Little Miami | Lead | Underground | Past Producer | MRDS |
| Little Nellie | Lead | Underground | Past Producer | MRDS |
| Little Prince | Lead | Underground | Past Producer | MRDS |
| Little Silver Mine | Underground | Past Producer | MRDS | |
| Little Sister Placer | Lead | Underground | Past Producer | MRDS |
| Little Sugar Loaf Placer | Manganese | Underground | Past Producer | MRDS |
| Little Vinnie | Lead | Underground | Past Producer | MRDS |
| Little Winnie Shaft | Lead | Underground | Past Producer | MRDS |
| Lone Star | Gold | Underground | Past Producer | MRDS |
| Long & Deery | Lead | Underground | Past Producer | MRDS |
| Louisville Mine | Manganese | Surface | Past Producer | MRDS |
| Lower Arkansas Placers | Gold | Occurrence | MRDS | |
| Lower California Gulch Placers | Gold | Occurrence | MRDS | |
| Lucky Ten | Gold | Underground | Past Producer | MRDS |
| Luema | Lead | Underground | Past Producer | MRDS |
| Luna Placer | Manganese | Underground | Past Producer | MRDS |
| Luzerne | Lead | Underground | Past Producer | MRDS |
| Lyons Placer | Manganese | Underground | Past Producer | MRDS |
| Mahala Mine | Underground | Past Producer | MRDS | |
| Maid of Erin Mine | Underground | Past Producer | MRDS | |
| Mammoth Mine | Underground | Past Producer | MRDS | |
| Matchless Mine | Underground | Past Producer | MRDS | |
| May Queen | Manganese | Underground | Past Producer | MRDS |
| May Queen Mine | Underground | Past Producer | MRDS | |
| McCormick Mine | Underground | Past Producer | MRDS | |
| Midas | Manganese | Underground | Past Producer | MRDS |
| Midland Shaft | Lead | Underground | Past Producer | MRDS |
| Mikado New | Manganese | Underground | Past Producer | MRDS |
| Mike Mine | Manganese | Underground | Past Producer | MRDS |
| Minnie Pump Shaft | Manganese | Underground | Past Producer | MRDS |
| Modest Barrel | Lead | Underground | Past Producer | MRDS |
| Modest Girl | Manganese | Surface | Past Producer | MRDS |
| Modoc Mine | Underground | Past Producer | MRDS | |
| Moffat Mine | Manganese | Underground | Past Producer | MRDS |
| Monarch | Manganese | Underground | Past Producer | MRDS |
| Montgomery | Manganese | Underground | Past Producer | MRDS |
| Morning Star | Manganese | Underground | Past Producer | MRDS |
| Mosquito Range | Manganese | Underground | Past Producer | MRDS |
| Moyer | Manganese | Underground | Past Producer | MRDS |
| Mt Champion Mill | Lead | Processing Plant | Past Producer | MRDS |
| Mt Champion Mine | Lead | Underground | Past Producer | MRDS |
| Mt Chief #3 | Lead, Molybdenum | Underground | Past Producer | MRDS |
| Mt Massive Placer | Manganese | Underground | Past Producer | MRDS |
| Mt. Zion | Lead, Zinc, Tellurium, Iron, Copper, Boron-Borates, Tungsten | Occurrence | MRDS | |
| Murray Tunnel | Lead | Underground | Past Producer | MRDS |
| National Placer | Manganese | Underground | Past Producer | MRDS |
| Negro Infant | Lead | Underground | Past Producer | MRDS |
| Nelson Tunnel | Manganese | Underground | Past Producer | MRDS |
| Neptune | Lead | Underground | Past Producer | MRDS |
| Nevada Tunnel | Lead | Underground | Past Producer | MRDS |
| New Cambetta | Lead | Underground | Past Producer | MRDS |
| New England | Lead | Underground | Past Producer | MRDS |
| New York | Manganese | Underground | Past Producer | MRDS |
| Newell | Lead | Underground | Past Producer | MRDS |
| Newton and Flagstaff Claims | Lead, Zinc | Occurrence | MRDS | |
| Niles | Lead | Underground | Past Producer | MRDS |
| Nisi Prius Mine | Underground | Past Producer | MRDS | |
| North Mike | Manganese | Surface | Past Producer | MRDS |
| Northern Shaft | Lead | Underground | Past Producer | MRDS |
| O Donovan Rosa Shaft | Lead | Underground | Past Producer | MRDS |
| O K | Lead | Underground | Past Producer | MRDS |
| Ollie Reed | Lead | Underground | Past Producer | MRDS |
| Only Chance | Manganese | Surface | Past Producer | MRDS |
| Ontario Shaft | Lead | Underground | Past Producer | MRDS |
| Orion Mine | Underground | Past Producer | MRDS | |
| Oro City Shaft | Manganese | Underground | Past Producer | MRDS |
| Ostrom | Lead | Underground | Past Producer | MRDS |
| Ovee-Silurian Mine | Underground | Past Producer | MRDS | |
| Page Tunnel | Manganese | Underground | Past Producer | MRDS |
| Pandora Mine | Underground | Past Producer | MRDS | |
| Peerless Tunnel | Lead | Underground | Past Producer | MRDS |
| Pendry Mine | Underground | Past Producer | MRDS | |
| Penn Group | Gold, Copper, Iron | Past Producer | MRDS | |
| Penn No. 1 Mine | Underground | Past Producer | MRDS | |
| Penrose Mine | Underground | Past Producer | MRDS | |
| Perley Placer | Gold | Occurrence | MRDS | |
| Pilot | Manganese | Underground | Past Producer | MRDS |
| Pima Placer | Manganese | Underground | Past Producer | MRDS |
| Pine Martin Mine | Underground | Past Producer | MRDS | |
| Pittsburgh | Manganese | Underground | Past Producer | MRDS |
| Placer Mine | Manganese | Underground | Past Producer | MRDS |
| Porter Mine | Underground | Past Producer | MRDS | |
| Pos Shaft | Manganese | Underground | Past Producer | MRDS |
| Price Mine | Manganese | Underground | Past Producer | MRDS |
| Prince Frederick | Lead | Underground | Past Producer | MRDS |
| Prospect Mtn | Lead | Underground | Past Producer | MRDS |
| Pyrenees Mine | Manganese | Surface | Past Producer | MRDS |
| Quadrilateral Mine | Underground | Past Producer | MRDS | |
| Rattling Jack | Gold | Underground | Past Producer | MRDS |
| Red Head Shaft | Lead | Underground | Past Producer | MRDS |
| Reed Shaft | Manganese | Underground | Past Producer | MRDS |
| Reindeer Shaft | Lead | Underground | Past Producer | MRDS |
| Result Mine | Underground | Past Producer | MRDS | |
| Resurrection Mill | Zinc, Lead, Silver | Processing Plant | Past Producer | MRDS |
| Resurrection Mine | Lead, Gold, Silver, Zinc | Underground | Past Producer | MRDS |
| Reveille | Lead | Underground | Past Producer | MRDS |
| Revenue #1 | Manganese | Surface | Past Producer | MRDS |
| Rex Mine | Lead | Underground | Past Producer | MRDS |
| Robert E. Lee Mine | Underground | Past Producer | MRDS | |
| Robert Emmet | Manganese | Underground | Past Producer | MRDS |
| Rock Shaft | Manganese | Underground | Past Producer | MRDS |
| Rockatinda Group | Gold | Occurrence | MRDS | |
| Rosse Tunnel | Manganese | Underground | Past Producer | MRDS |
| Saguache Placers | Manganese | Underground | Past Producer | MRDS |
| Saturday Night | Manganese | Underground | Past Producer | MRDS |
| Savage Mine | Manganese | Underground | Past Producer | MRDS |
| Sawatch Tunnel | Manganese | Underground | Past Producer | MRDS |
| Sawmill Gulch Placers | Gold | Occurrence | MRDS | |
| Seneca Mine | Underground | Past Producer | MRDS | |
| Sequin Mine | Manganese | Underground | Past Producer | MRDS |
| Seventy-Six | Manganese | Underground | Past Producer | MRDS |
| Sherman Mine | Silver, Lead | Underground | Past Producer | MRDS |
| Shields | Manganese | Underground | Past Producer | MRDS |
| Silver Spoon | Lead | Underground | Past Producer | MRDS |
| Sixth Street Mine | Underground | Past Producer | MRDS | |
| Small Hopes | Manganese | Underground | Past Producer | MRDS |
| Smith-Bullard Mine | Lead | Underground | Past Producer | MRDS |
| Smuggler | Lead | Underground | Past Producer | MRDS |
| South London Mine | Gold | Underground | Occurrence | MRDS |
| St. Ann | Manganese | Underground | Past Producer | MRDS |
| St. Louis Mine | Lead | Underground | Past Producer | MRDS |
| St. Louis Tunnel | Silver, Manganese | Underground | Past Producer | MRDS |
| St. Marys | Lead | Underground | Past Producer | MRDS |
| St. Kevin Mine | Silver | Past Producer | MRDS | |
| Star Mine | Silver | Underground | Past Producer | MRDS |
| Star of Hope | Manganese | Underground | Past Producer | MRDS |
| Star of the West Mine | Underground | Past Producer | MRDS | |
| Steel Spring | Manganese | Underground | Past Producer | MRDS |
| Stevens Mine | Lead | Underground | Past Producer | MRDS |
| Stone #5 | Lead | Underground | Past Producer | MRDS |
| Stonewall Jackson Shaft | Manganese | Underground | Past Producer | MRDS |
| Sullivan Mine | Manganese | Underground | Past Producer | MRDS |
| Sunday | Lead, Manganese | Underground | Past Producer | MRDS |
| Surprise Shaft | Manganese | Underground | Past Producer | MRDS |
| Swisher Tunnel | Manganese | Underground | Past Producer | MRDS |
| Tarshish | Lead | Underground | Past Producer | MRDS |
| Tenderfoot Shaft | Manganese | Underground | Past Producer | MRDS |
| Thespian Mine | Lead | Underground | Past Producer | MRDS |
| Tiger Shaft | Manganese | Underground | Past Producer | MRDS |
| Tip Top Mine | Underground | Past Producer | MRDS | |
| Tom Thumb | Gold | Underground | Past Producer | MRDS |
| Triumph | Manganese | Underground | Past Producer | MRDS |
| Tucson Mine | Underground | Past Producer | MRDS | |
| Turquoise Lake | Molybdenum | Occurrence | MRDS | |
| Two Bit Gulch Placers | Gold | Occurrence | MRDS | |
| Uintah Placer | Manganese | Underground | Past Producer | MRDS |
| Ulster Newton | Manganese | Surface | Past Producer | MRDS |
| Union | Manganese | Underground | Past Producer | MRDS |
| Unknown | Lead, Zinc, Silver | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Silver, Manganese, Lead, Zinc, Gold | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Lead, Zinc, Manganese | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Silver, Zinc, Lead | Occurrence | MRDS | |
| Unknown | Silver, Zinc, Lead | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Zinc, Lead, Silver | Occurrence | MRDS | |
| Unknown | Zinc, Lead, Silver | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Zinc, Lead | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Lead, Silver, Zinc | Occurrence | MRDS | |
| Unknown | Lead, Zinc, Silver | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Lead, Zinc, Silver | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Lead, Zinc, Silver | Occurrence | MRDS | |
| Unknown | Zinc, Silver, Lead | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Silver, Lead, Zinc | Occurrence | MRDS | |
| Unknown | Lead, Zinc | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Lead, Zinc, Silver | Occurrence | MRDS | |
| Unknown | Zinc, Lead | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Zinc, Lead | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Gold | Occurrence | MRDS | |
| Unknown | Fluorine-Fluorite | Underground | Past Producer | MRDS |
| Unknown | Manganese | Underground | Past Producer | MRDS |
| Unknown | Manganese | Underground | Past Producer | MRDS |
| Unknown | Manganese | Underground | Past Producer | MRDS |
| Unknown | Manganese | Underground | Past Producer | MRDS |
| Unknown | Manganese | Underground | Past Producer | MRDS |
| Unknown | Manganese | Underground | Past Producer | MRDS |
| Unknown | Uranium | Underground | Past Producer | MRDS |
| Unknown | Manganese | Underground | Past Producer | MRDS |
| Unnamed Placer | Gold | Occurrence | MRDS | |
| Upper California Gulch Placers | Gold | Occurrence | MRDS | |
| Upper Wilkesbarre Tunnel | Manganese | Underground | Past Producer | MRDS |
| Vanderbilt Mine | Underground | Past Producer | MRDS | |
| Venier | Manganese | Underground | Past Producer | MRDS |
| Venture | Manganese | Underground | Past Producer | MRDS |
| Venture Shaft | Manganese | Underground | Past Producer | MRDS |
| Vesuvius | Gold | Underground | Past Producer | MRDS |
| Villa Shaft | Manganese | Underground | Past Producer | MRDS |
| Vining Shaft | Manganese | Underground | Past Producer | MRDS |
| Virginius | Lead | Underground | Past Producer | MRDS |
| Vulture | Manganese | Underground | Past Producer | MRDS |
| West Tennessee Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Washburne | Manganese | Underground | Past Producer | MRDS |
| Waterloo | Manganese | Underground | Past Producer | MRDS |
| Webster Tunnel | Manganese | Underground | Past Producer | MRDS |
| Weston Pass | Zinc | Underground | Past Producer | MRDS |
| White Cap Mine | Underground | Past Producer | MRDS | |
| Whiteside Shaft | Manganese | Underground | Past Producer | MRDS |
| William Wallale Mine | Underground | Past Producer | MRDS | |
| Willow Creek Mine | Gold Ore | Surface | Intermittent | MSHA |
| Winnie | Manganese | Underground | Past Producer | MRDS |
| Wolcott Mine | Underground | Past Producer | MRDS | |
| Wolftone Mine | Underground | Past Producer | MRDS | |
| Wootten Placer | Manganese | Underground | Past Producer | MRDS |
| Wright | Manganese | Underground | Past Producer | MRDS |
| X Shaft | Manganese | Underground | Past Producer | MRDS |
| Yak Tunnel | Zinc, Silver, Lead, Gold | Underground | Past Producer | MRDS |
| Yale Tunnel | Manganese | Underground | Past Producer | MRDS |
| Yankee Doodle Mine | Underground | Past Producer | MRDS | |
| Younger | Manganese | Underground | Past Producer | MRDS |
| Yukon Property | Silver, Gold | Past Producer | MRDS |