Mines in Jefferson County, Colorado
459Total
201Active
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Amrize Morrison Quarry | Crushed, Broken Granite | Surface | Active | MSHA |
| Arcosa Boulder Plant #1604 | Common Shale | Surface | Active | MSHA |
| Church Harvey Mine | Common Clays NEC | Surface | Active | MSHA |
| Jeffco Gravel Mine | Construction Sand and Gravel | Surface | Active | MSHA |
| Ralston Quarry | Crushed, Broken Stone NEC | Surface | Active | MSHA |
| Spec Agg Quarry | Crushed, Broken Sandstone | Surface | Active | MSHA |
| Allied Dirt Div Green Mtn Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Amax Mill | Uranium | Processing Plant | Producer | MRDS |
| Apex #10 Clay Pit | Fire Clay (Refractory) | Producer | MRDS | |
| Appel Lease | Uranium | Producer | MRDS | |
| Ascension Mine | Uranium | Producer | MRDS | |
| B Gilman Ranch Pegmatite | Feldspar | Surface | Producer | MRDS |
| Bachman Ranch Pegmatite | Feldspar | Surface | Producer | MRDS |
| Bandimere | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Bear Creek | Gypsum-Anhydrite | Surface | Producer | MRDS |
| Bender | Fire Clay (Refractory) | Producer | MRDS | |
| Bergen Park Pit | Clay | Surface | Producer | MRDS |
| Bertrand Quarry | Stone, Crushed/Broken | Producer | MRDS | |
| Bette No 1 | Feldspar | Surface | Producer | MRDS |
| Binder Clay Mine | Fire Clay (Refractory) | Producer | MRDS | |
| Black Clay Mine | Fire Clay (Refractory) | Producer | MRDS | |
| Black Clay Mine | Clay | Surface | Producer | MRDS |
| Black Knight | Uranium | Surface | Producer | MRDS |
| Brannan Pit No 12 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Brannan Pit No 6 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Brannon Pit No 17 | Clay | Surface | Producer | MRDS |
| Brown Silica | Fire Clay (Refractory) | Producer | MRDS | |
| Brown Silica | Clay | Surface | Producer | MRDS |
| Buff Pit | Fire Clay (Refractory) | Producer | MRDS | |
| Buffalo Mine | Fluorine-Fluorite | Surface | Producer | MRDS |
| Bull Hill Claim | Fluorine-Fluorite | Producer | MRDS | |
| Burroughs Feldspar Mine | Feldspar | Producer | MRDS | |
| Butte #1 | Feldspar, Quartz, Fluorine-Fluorite | Producer | MRDS | |
| C. P. Hoyts Pits | Clay | Producer | MRDS | |
| Caldwel Pit | Clay | Surface | Producer | MRDS |
| Caldwell | Fire Clay (Refractory) | Producer | MRDS | |
| Carbon Mountain | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Catherine No 1 Claim | Feldspar | Surface | Producer | MRDS |
| Centennial Cone | Beryllium | Surface | Producer | MRDS |
| Centennial Cone Prospect | Beryllium | Producer | MRDS | |
| Chatfield Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Church Pit | Clay | Surface | Producer | MRDS |
| Clear Creek | Garnet | Surface | Producer | MRDS |
| Coal Creek | Fluorine-Fluorite | Surface | Producer | MRDS |
| Coors Clay Mines | Fire Clay (Refractory) | Producer | MRDS | |
| Coors Pegmatite & Feldspap Quarry | Feldspar | Surface | Producer | MRDS |
| Coors Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Coors Sand & Gravel Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Coors Wash Plant | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Crane Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Cressman Gulch | Beryllium, Mica, Feldspar | Producer | MRDS | |
| Cyrtolite-bearing Pegmatite Deposi | Zirconium | Surface | Producer | MRDS |
| Deer Creek Mine | Gypsum-Anhydrite | Surface | Producer | MRDS |
| Deer Creek South Pit Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Delbert Claims #1 & 2 | Feldspar, Quartz, Mica, Fluorine-Fluorite | Producer | MRDS | |
| Delbert Claims Nos 102 | Feldspar | Surface | Producer | MRDS |
| Denver Fire Clay | Clay | Surface | Producer | MRDS |
| Denver Fire Clay Co. Mine | Fire Clay (Refractory) | Producer | MRDS | |
| Doughty Pit | Clay | Surface | Producer | MRDS |
| Drew Hill Pegnatite No 1 | Feldspar | Surface | Producer | MRDS |
| Dry Creek Pit | Clay | Surface | Producer | MRDS |
| East Shaffer Hill Pegmatite | Feldspar | Surface | Producer | MRDS |
| Eldorado Pit | Clay | Surface | Producer | MRDS |
| Evergreen Meadows | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Fenders-magnotta Pegmatite | Feldspar | Surface | Producer | MRDS |
| Fred Pierce Ranch | Feldspar, Gemstone, Mica, Quartz | Producer | MRDS | |
| Fred Pierce Ranch | Feldspar | Surface | Producer | MRDS |
| G.h. Buckman Ranch | Quartz, Gemstone, Feldspar, Mica | Producer | MRDS | |
| George W. Parfet Estate, Inc., Prospect | Fire Clay (Refractory) | Producer | MRDS | |
| Gilpin #1 | Fluorine-Fluorite | Producer | MRDS | |
| Glencoe Quarries | Stone, Crushed/Broken | Producer | MRDS | |
| Golden Fire Brick Co. | Fire Clay (Refractory) | Producer | MRDS | |
| Golden Fire Brick Co. | Fire Clay (Refractory) | Producer | MRDS | |
| Golden Granite Quarry | Granite | Producer | MRDS | |
| Golden Pit | Clay | Underground | Producer | MRDS |
| Golden Quarry | Surface | Producer | MRDS | |
| Grapevine Mine | Uranium | Producer | MRDS | |
| Green Mountain Clay Pit | Clay | Surface | Producer | MRDS |
| Grover Winsor Pegmatite | Niobium (Columbium), Tantalum, REE, Feldspar, Mica, Beryllium | Producer | MRDS | |
| Hard Rock Quarries | Granite | Producer | MRDS | |
| Heberison Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Hiwan Ranch | Feldspar, Mica, Quartz, Garnet, Gemstone | Producer | MRDS | |
| Hiwan Ranch Pegmatite | Feldspar | Surface | Producer | MRDS |
| Hoffmeister Uranium Prospect | Uranium | Surface | Producer | MRDS |
| Iowa Gulch Pegmatite | Quartz | Surface | Producer | MRDS |
| Johnson | Fire Clay (Refractory) | Producer | MRDS | |
| Johnson #2 | Fire Clay (Refractory) | Producer | MRDS | |
| Johnson Mine | Clay | Surface | Producer | MRDS |
| Johnson No 2 | Clay | Surface | Producer | MRDS |
| Judy Ann Claim & Pegmatite | Feldspar | Surface | Producer | MRDS |
| K.l.green Ranch Pegmatite | Beryllium | Surface | Producer | MRDS |
| Ladwig | Uranium, Copper | Producer | MRDS | |
| Ladwig Ranch Pegmatite | Feldspar | Surface | Producer | MRDS |
| Ladwig-grosso Pegmatite | Feldspar | Surface | Producer | MRDS |
| Lakewood Plant | Clay | Processing Plant | Producer | MRDS |
| Landsay Pit | Clay | Surface | Producer | MRDS |
| Lariat Mine | Clay | Underground | Producer | MRDS |
| Leyden Pit | Clay | Surface | Producer | MRDS |
| Lindsay | Fire Clay (Refractory) | Producer | MRDS | |
| Little Abner Pegmatite | Beryllium | Surface | Producer | MRDS |
| Little Patsy #1 & 2, Fawn #1 | Gemstone, Feldspar, Mica, Quartz, Fluorine-Fluorite | Producer | MRDS | |
| Little Patsy Nos 1&2 | Feldspar | Surface | Producer | MRDS |
| Little Quarry | Stone, Crushed/Broken | Producer | MRDS | |
| Lone & Lonesome Lodes Pegmatite | Feldspar | Surface | Producer | MRDS |
| Luster Lode Claim | Mica, Gemstone, Feldspar, Quartz, Fluorine-Fluorite | Producer | MRDS | |
| Luster Lode Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| M&s Chieftain Mine | Clay | Producer | MRDS | |
| Madlen School Pegmatites | Feldspar | Surface | Producer | MRDS |
| Madonna No. 1 | Quartz | Surface | Producer | MRDS |
| Mannon Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Mcintyre Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Mica Prospect | Feldspar | Surface | Producer | MRDS |
| Mica Prospect, Nare Ranch | Feldspar, Mica, Quartz | Producer | MRDS | |
| Mickey No 1 | Feldspar | Surface | Producer | MRDS |
| Morrison Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| New Hedley | Clay | Surface | Producer | MRDS |
| No Name Pegmatite | Feldspar | Surface | Producer | MRDS |
| No. 3 & 4 Refractory Clay Mines | Fire Clay (Refractory) | Producer | MRDS | |
| North & South Chieftan | Clay | Surface | Producer | MRDS |
| North Golden | Fire Clay (Refractory) | Producer | MRDS | |
| North Golden Pit | Clay | Surface | Producer | MRDS |
| North Rock Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| North Table Mountain | Zeolites | Underground | Producer | MRDS |
| Old Luster Lode Pegmatite | Feldspar | Surface | Producer | MRDS |
| Old Soda Creek School Pegmatite | Feldspar | Surface | Producer | MRDS |
| Orahood Bank | Clay | Producer | MRDS | |
| Oregon #1 & 2 & 3 Claim | Feldspar, Quartz, Mica, Fluorine-Fluorite, Gemstone | Producer | MRDS | |
| Orthite No 1 And Sunset Group | Zirconium | Surface | Producer | MRDS |
| Osiris Property | Nickel | Surface | Producer | MRDS |
| Pasty | Feldspar | Producer | MRDS | |
| Pit 2 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Pit No 22 | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Ralston Buttes District | Uranium | Producer | MRDS | |
| Ramstetter Ranch | Feldspar | Surface | Producer | MRDS |
| Rock Products No 2 | Stone | Surface | Producer | MRDS |
| Rockwell | Clay | Surface | Producer | MRDS |
| Rubey H M Rubey Clay Co Mine | Clay | Surface | Producer | MRDS |
| S B Strang Ralston Creek Pegmatite | Feldspar | Producer | MRDS | |
| Schmidt Constr Inc | Silica | Processing Plant | Producer | MRDS |
| Seven Hills-yetter Ranch Pegmatite | Feldspar | Surface | Producer | MRDS |
| Shepherd Mine | Uranium | Surface | Producer | MRDS |
| Silver Glen Ranch Pegmatite | Feldspar | Surface | Producer | MRDS |
| Soda Lakes, Soda Springs | Sodium | Producer | MRDS | |
| South Golden Mine | Fire Clay (Refractory) | Producer | MRDS | |
| Spicer Clay Mine. | Clay | Surface | Producer | MRDS |
| State Clay Mine | Clay | Surface | Producer | MRDS |
| Strainland Mine | Fire Clay (Refractory) | Producer | MRDS | |
| Strainland Mine | Clay | Surface | Producer | MRDS |
| Strainland Pit | Clay | Surface | Producer | MRDS |
| Stranger Mine | Fire Clay (Refractory) | Producer | MRDS | |
| Sunrise Peak Pegmatite | Beryllium | Surface | Producer | MRDS |
| Swede-kerr Gulches Pegmatites | Mica, REE, Feldspar | Producer | MRDS | |
| Swede-kerr Gulches Pegmatites | Feldspar | Surface | Producer | MRDS |
| Tall Timber No 1 | Feldspar | Surface | Producer | MRDS |
| Tall Timber No 2 | Feldspar | Surface | Producer | MRDS |
| Tall Timber No 3 Pegmatite | Feldspar | Surface | Producer | MRDS |
| Teagarden Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Terra Cotta | Fire Clay (Refractory) | Producer | MRDS | |
| Th Avenue Croshing Plant | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Thomas-union Lodes | Quartz, Feldspar, Mica, Garnet, Gemstone | Producer | MRDS | |
| Thomas-union Lodes Pegmatite | Mica | Surface | Producer | MRDS |
| Tincup Mine | Clay | Underground | Producer | MRDS |
| Unknown | Granite | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Clay | Producer | MRDS | |
| Unknown | Stone, Crushed/Broken | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Stone, Crushed/Broken | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Stone, Crushed/Broken | Producer | MRDS | |
| Unknown | Granite | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Stone, Dimension | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Limestone, General | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Fire Clay (Refractory) | Producer | MRDS | |
| Unknown | Limestone, General | Producer | MRDS | |
| Unknown | Fluorine-Fluorite | Underground | Producer | MRDS |
| Unknown | Copper | Surface | Producer | MRDS |
| Unknown | Feldspar | Surface | Producer | MRDS |
| Unknown | Clay | Surface | Producer | MRDS |
| Unknown | Gypsum-Anhydrite | Surface | Producer | MRDS |
| Unknown | Feldspar | Surface | Producer | MRDS |
| Vergie #2 | Feldspar | Producer | MRDS | |
| Wasson Beryl Deposit | Beryllium | Surface | Producer | MRDS |
| Wasson Ranch Pegmatite | Feldspar | Surface | Producer | MRDS |
| Waterton Pit | Clay | Surface | Producer | MRDS |
| West Lake Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| White Cap Quarry | Stone | Surface | Producer | MRDS |
| White Cloud Pegmatite | Fluorine-Fluorite | Surface | Producer | MRDS |
| Wilson | Fire Clay (Refractory) | Producer | MRDS | |
| Wilson Clay Mine | Clay | Surface | Producer | MRDS |
| Youngfield Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Youngfield Plant | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| 3dw Mines | Fire Clay | Surface | Abandoned | MSHA |
| Alumet Pilot Plant | Aluminum | Processing Plant | Unknown | MRDS |
| Ascension Mine | Underground | Past Producer | MRDS | |
| Aubrey Ladwig Mine | Surface-Underground | Past Producer | MRDS | |
| Aubrey-ladwig Mine | Uranium | Past Producer | MRDS | |
| Augusta Mine | Copper, Silver, Fluorine-Fluorite | Past Producer | MRDS | |
| Bankers Lode Claim | Copper, Uranium | Occurrence | MRDS | |
| Beryl Ores Mill | Beryllium | Surface | Past Producer | MRDS |
| Big Bear No. 2 Mine | Feldspar, REE | Past Producer | MRDS | |
| Big Bertha Mine | Quartz, Feldspar | Past Producer | MRDS | |
| Big Bertha Pegmatite | Feldspar | Surface | Past Producer | MRDS |
| Bigger Mica Mine | Feldspar, Mica, Beryllium | Past Producer | MRDS | |
| Bigger Mica Mine | Feldspar | Surface | Past Producer | MRDS |
| Billiken And Black Knight Lodes | Uranium, Copper | Occurrence | MRDS | |
| Black Forest Mine | Crushed, Broken Stone NEC | Underground | Abandoned | MSHA |
| Blackstone Claim | Uranium | Prospect | MRDS | |
| Bonzo No. 1 Claim | Uranium, Copper | Occurrence | MRDS | |
| Brannan Pit 26 | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Buckman Property | Uranium, Copper | Occurrence | MRDS | |
| Buckman Ranch Pegmatite | Iron, Beryllium, Gemstone, Quartz, Garnet, Mica, Feldspar | Occurrence | MRDS | |
| Buffalo Mine | Lead, Gold, Silver, Fluorine-Fluorite | Past Producer | MRDS | |
| Burroughs Feldspar Mine | Feldspar, Beryllium, Mica | Past Producer | MRDS | |
| Burroughs Feldspar Mine | Feldspar | Surface | Past Producer | MRDS |
| Butterfield Mine | REE, Niobium (Columbium), Tantalum | Past Producer | MRDS | |
| Capitol Central | Lead | Surface | Unknown | MRDS |
| Capitol Central Mine | Lead, Zinc, Silver, Gold | Occurrence | MRDS | |
| Catherine #1 Claim | Mica, Fluorine-Fluorite, Gemstone, Feldspar, Quartz | Occurrence | MRDS | |
| Cervi Lease | Uranium | Occurrence | MRDS | |
| Cervi Lease | Underground | Past Producer | MRDS | |
| Chieftan Mine | Clay | Occurrence | MRDS | |
| Clear Creek Sand & Gravel Gold Dep | Sand and Gravel, Construction | Placer | Occurrence | MRDS |
| Cook Property | Copper, Lead, Zinc | Occurrence | MRDS | |
| Coon Gulch Clay Pits | Clay | Occurrence | MRDS | |
| Cooper Quarry | Quartz, Feldspar | Past Producer | MRDS | |
| Coors Pegmatite | Feldspar, Mica | Past Producer | MRDS | |
| Cressmans Gulch | Feldspar | Surface | Past Producer | MRDS |
| Cressmans Gulch Prospect | Feldspar, Beryllium | Past Producer | MRDS | |
| Dazie Bell Mine | Quartz | Past Producer | MRDS | |
| Deer Creek Plant | Crushed, Broken Stone NEC | Surface | Abandoned | MSHA |
| Denver Fire Clay Co. | Fire Clay (Refractory) | Occurrence | MRDS | |
| Denver Plant 60 Clay Mines | Clay, Ceramic, Refractory Mnls. | Surface | Temporarily Idled | MSHA |
| Dog Pound Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Drew Hill Prospect | Beryllium | Occurrence | MRDS | |
| East Shaffer Hill Pegmatite | Feldspar | Past Producer | MRDS | |
| Elledge | Beryllium | Occurrence | MRDS | |
| Elledge Beryl Prospect | Beryllium | Occurrence | MRDS | |
| Evergreen Florite Deposit | Fluorine-Fluorite | Past Producer | MRDS | |
| F. M. D. Mine | Copper | Surface-Underground | Past Producer | MRDS |
| Fenders-magnotte Peg | Feldspar, Mica, Quartz, Garnet, Gemstone | Occurrence | MRDS | |
| Fire Clay #4 | Fire Clay (Refractory) | Occurrence | MRDS | |
| Foothill | Uranium | Underground | Unknown | MRDS |
| Foothills | Gold | Underground | Past Producer | MRDS |
| Fork Prospect | Prospect | MRDS | ||
| Four Corners Mine | Uranium | Past Producer | MRDS | |
| Gemini Mine | Quartz | Past Producer | MRDS | |
| Genessee Mountain Scheelite Occurrence | Occurrence | MRDS | ||
| Golden Clay Mines | Fire Clay (Refractory) | Occurrence | MRDS | |
| Grapevine Mine | Underground | Past Producer | MRDS | |
| Grosso | Surface-Underground | Prospect | MRDS | |
| Hosa Lodge Mine | Copper, Lead, Zinc | Occurrence | MRDS | |
| Idealite Mine | Clay | Surface | Past Producer | MRDS |
| Idledale District | Uranium | Past Producer | MRDS | |
| Iowa Gulch | Quartz, Feldspar, Mica, Gemstone, Garnet, Iron | Occurrence | MRDS | |
| Jackass | Fire Clay (Refractory) | Occurrence | MRDS | |
| Janet Lucritia Mine | Quartz | Past Producer | MRDS | |
| Jefferson County Iron Mines | Iron | Occurrence | MRDS | |
| Judy Ann Mine | Quartz, Mica, Feldspar | Occurrence | MRDS | |
| Kennedy Gulch Magnetite Deposit | Iron | Occurrence | MRDS | |
| Ladwig # 2 | Uranium | Underground | Past Producer | MRDS |
| Ladwig Group | Uranium | Occurrence | MRDS | |
| Ladwig Properties | Underground | Past Producer | MRDS | |
| Ladwig-grosso Pegmatite | Beryllium, Mica | Past Producer | MRDS | |
| Linda 1&2 Mine | Gold | Surface | Occurrence | MRDS |
| Little Abner Pegmatite | Beryllium, REE, Feldspar | Past Producer | MRDS | |
| Little Patsy Mine | Feldspar, Quartz | Past Producer | MRDS | |
| Little Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Luster No. 1 Mine | Feldspar, Fluorine-Fluorite | Past Producer | MRDS | |
| Luster No. 1 Quarries | Feldspar | Surface | Unknown | MRDS |
| Mcintyre Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Madonna No. 2 | Quartz, Feldspar | Surface | Past Producer | MRDS |
| Madonna No. 3 | REE, Quartz, Feldspar | Past Producer | MRDS | |
| Malachite Mine | Gold, Copper, Silver | Past Producer | MRDS | |
| Malden School Peg | Feldspar, Quartz, Garnet, Mica | Occurrence | MRDS | |
| Mann Mine No. 1 | Uranium | Occurrence | MRDS | |
| Mann Ranch | Uranium | Past Producer | MRDS | |
| Mann Ranch | Underground | Past Producer | MRDS | |
| Mena Mine | Uranium | Underground | Past Producer | MRDS |
| Mickey #1 | Gemstone, Fluorine-Fluorite, Mica, Quartz, Feldspar | Occurrence | MRDS | |
| North Star Mine | Copper | Past Producer | MRDS | |
| North Star Mine | Underground | Past Producer | MRDS | |
| Northern Portable Plant #11 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Ohman Mine | Uranium | Past Producer | MRDS | |
| Ohman Mine | Underground | Past Producer | MRDS | |
| Old Leyden | Uranium, Graphite | Occurrence | MRDS | |
| Old Leyden Coal Mine | Underground | Past Producer | MRDS | |
| Old Leyden Mine | Coal, Uranium | Past Producer | MRDS | |
| Old Soda Creek School Pegmatite | Feldspar | Past Producer | MRDS | |
| Oregon No 1 Claim Pegmatite | Feldspar, Quartz | Surface | Unknown | MRDS |
| Oregon No 1-1/2 Quarry | Quartz | Surface | Unknown | MRDS |
| Oregon No. 1 Mine | Quartz | Past Producer | MRDS | |
| Oregon No. 2 Quarry | Feldspar | Surface | Unknown | MRDS |
| Oregon No. 2-1/2 Quarry | Feldspar | Surface | Unknown | MRDS |
| Oregon No. 3 Mine | Quartz | Past Producer | MRDS | |
| Orthite #1 & Sunset Groups | REE, Zirconium | Occurrence | MRDS | |
| Osirio Mine | Nickel | Occurrence | MRDS | |
| Osirio Mine | Nickel | Underground | Past Producer | MRDS |
| Powerscreen Chieftain | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Pallaro Lease | Uranium | Occurrence | MRDS | |
| Pallaro Lease | Underground | Past Producer | MRDS | |
| Parfet Clay Pits | Clay | Occurrence | MRDS | |
| Platt Canyon | Uranium | Underground | Past Producer | MRDS |
| Portable Crusher #2 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Qualla And Young Sampson Lodes | Copper, Zinc, Silver, Lead | Occurrence | MRDS | |
| Quarry | Surface | Unknown | MRDS | |
| Quatman Lease | Uranium | Past Producer | MRDS | |
| R. Gilman Ranch Pegmatite | Mica, Feldspar | Occurrence | MRDS | |
| Raleigh Park Mine | Feldspar | Surface | Past Producer | MRDS |
| Ralston | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Ramstetter Ranch Prospect | Beryllium | Occurrence | MRDS | |
| Rio Grande Pit | Sand and Gravel, Construction | Past Producer | MRDS | |
| Robinson Gulch | Feldspar | Surface | Occurrence | MRDS |
| Robinson Gulch Prospect | Beryllium, Mica, Feldspar | Occurrence | MRDS | |
| Rocky Flats Facility | Gold Ore | Facility | Abandoned | MSHA |
| Rocky Flats Pit | Clay | Surface | Past Producer | MRDS |
| Roscoe Beryl Prospect | Mica, Feldspar | Surface | Past Producer | MRDS |
| Roscoe Gulch Pegmatites | Beryllium, Mica, Feldspar | Surface | Past Producer | MRDS |
| Schwartzwalder | Uranium-Vanadium Ore | Underground | Abandoned | MSHA |
| Schwartzwalder Mine | Uranium | Underground | Past Producer | MRDS |
| Sec 36 T2s R71w N 1/2 | Prospect | MRDS | ||
| Sec.35 T3s R71w | Prospect | MRDS | ||
| Seven Hills-yetter Ranch Pegmatite | Feldspar, Mica, Quartz, Garnet, Gemstone | Occurrence | MRDS | |
| Shaffers Crossing Quarry | Crushed, Broken Stone NEC | Surface | Abandoned | MSHA |
| Shuttle Run Mine | Feldspar, Quartz | Past Producer | MRDS | |
| Silver Glen Ranch Pegmatite | Mica, Feldspar | Past Producer | MRDS | |
| South Platte Pegmatite District | Feldspar, Quartz | Past Producer | MRDS | |
| Stone Placer Mine | Uranium | Past Producer | MRDS | |
| Strang Pegmatite | Quartz, Feldspar, Mica | Occurrence | MRDS | |
| Sunrise Peak Mine | Quartz | Underground | Past Producer | MRDS |
| Sunrise Peak Pegmatite | Niobium (Columbium), Tantalum, REE, Feldspar | Past Producer | MRDS | |
| Susy Belle | Feldspar, Mica, Quartz, Fluorine-Fluorite, Gemstone | Occurrence | MRDS | |
| Susy Belle Claim & Pegmatites | Feldspar | Occurrence | MRDS | |
| Swadley Placers | Gold | Past Producer | MRDS | |
| Tall Timber Group | Mica, Beryllium, Feldspar | Past Producer | MRDS | |
| Union Mica Lode | Gold | Underground | Past Producer | MRDS |
| Union Pacific Shaft | Uranium, Copper | Occurrence | MRDS | |
| Union Pacific Shaft | Underground | Prospect | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | REE | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Mica | Occurrence | MRDS | |
| Unknown | Mica | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fluorine-Fluorite | Occurrence | MRDS | |
| Unknown | Fluorine-Fluorite | Occurrence | MRDS | |
| Unknown | Feldspar, Mica, Quartz | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Limestone, General | Occurrence | MRDS | |
| Unknown | Stone, Dimension | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Silica | Occurrence | MRDS | |
| Unknown | Dolomite | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Stone, Dimension | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Quartz | Surface | Occurrence | MRDS |
| Unknown | Stone | Surface | Unknown | MRDS |
| Unknown | Stone, Crushed/Broken | Surface | Unknown | MRDS |
| Unknown | Mica | Surface | Unknown | MRDS |
| Unknown | Feldspar, Quartz | Surface | Occurrence | MRDS |
| Unknown | Stone | Surface | Unknown | MRDS |
| Unnamed Cu Prospect | Copper | Occurrence | MRDS | |
| Unnamed Cu Prospect | Copper | Occurrence | MRDS | |
| Unnamed Fe Mine | Iron | Past Producer | MRDS | |
| Unnamed Mine | Lead | Occurrence | MRDS | |
| Unnamed Mo Prospect | Molybdenum | Occurrence | MRDS | |
| Unnamed Placer | Gold | Past Producer | MRDS | |
| Unnamed Placer | Gold | Past Producer | MRDS | |
| Unnamed Placers | Gold | Past Producer | MRDS | |
| Unnamed Silver Occurrence | Occurrence | MRDS | ||
| Unnamed W Prospect | Tungsten | Occurrence | MRDS | |
| Wp 3 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Wasson Pegmatite | Beryllium, Feldspar, Mica | Past Producer | MRDS | |
| White Cloud | Tantalum, Niobium (Columbium), REE | Occurrence | MRDS | |
| White Cloud Mine | Feldspar, Quartz | Past Producer | MRDS | |
| Wright Lease | Uranium | Past Producer | MRDS | |
| Wright Lease | Underground | Past Producer | MRDS | |
| Yammy Yogurt Mine | Quartz | Past Producer | MRDS | |
| Youngfield Pit | Sand and Gravel, Construction | Past Producer | MRDS |