Mines in Larimer County, Colorado
381Total
119Active
Larimer County, Colorado has 381 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 119 of these are currently active mining operations. The most commonly recorded commodity is beryllium, with 75 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Larimer County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Loveland Ready-Mix Concrete Inc Sand And | Construction Sand and Gravel | Surface | Active | MSHA |
| Masonville Quarry | Dimension Stone NEC | Surface | Active | MSHA |
| Meadow Hollow Quarry | Dimension Stone NEC | Surface | Active | MSHA |
| Northern Portable Plant #12 | Construction Sand and Gravel | Surface | Active | MSHA |
| Owl Canyon Quarry & Mill | Dimension Limestone | Surface | Active | MSHA |
| Sprague Stone Llc | Dimension Sandstone | Surface | Active | MSHA |
| Stone Wholesale Brownstone Quarry | Dimension Stone NEC | Surface | Active | MSHA |
| Trupp Loveland | Dimension Sandstone | Surface | Active | MSHA |
| Ball Scheelite | Tungsten | Underground | Producer | MRDS |
| Barker Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Barker Plant | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Beryl Dike Claim | Beryllium | Surface | Producer | MRDS |
| Beryl No 2 | Beryllium | Surface | Producer | MRDS |
| Beryl No 3 Claim | Beryllium | Surface | Producer | MRDS |
| Big Four Mine | Silver, Gold | Producer | MRDS | |
| Boettcher Cement Plant | Processing Plant | Producer | MRDS | |
| Boettcher Quarry | Stone, Crushed/Broken | Underground | Producer | MRDS |
| Buckhorn Mica Mine | Mica, Beryllium | Producer | MRDS | |
| Buckhorn Mica Mine | Niobium (Columbium), Tantalum, Mica, Beryllium | Producer | MRDS | |
| Calypso Beryl No 1 | Beryllium | Underground | Producer | MRDS |
| Carter Mine | Gold, Silver | Producer | MRDS | |
| Challenger | Tungsten | Underground | Producer | MRDS |
| Chaney-Sims Beryl Mine | Feldspar | Underground | Producer | MRDS |
| Clipper No 1 | Beryllium | Surface | Producer | MRDS |
| Cojade Mine | Beryllium | Producer | MRDS | |
| Colo Lien Company | Stone, Crushed/Broken | Processing Plant | Producer | MRDS |
| Colo Stone Co Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Colorado Rose Red Quarry | Granite | Surface | Producer | MRDS |
| Corral Pole | Beryllium | Producer | MRDS | |
| Corral Pole 1&2 Mine | Beryllium | Surface | Producer | MRDS |
| Corral Pole Claims | Beryllium | Surface | Producer | MRDS |
| Coulson Excavating Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Coulson Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Coulson Plant | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Cowan Cci Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Cowan Cci Plant | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Crystal Mountain | Beryllium | Surface | Producer | MRDS |
| Crystal Mountain Pegmatite District | Mica, Beryllium, Uranium, Feldspar | Producer | MRDS | |
| Crystal Snow Mine | Beryllium | Surface | Producer | MRDS |
| Debbie Doll Beryl Claim | Beryllium | Surface | Producer | MRDS |
| Double Opening Mine | Feldspar | Underground | Producer | MRDS |
| Double Opening Prospect | Feldspar | Producer | MRDS | |
| Echo Glen | Beryllium | Underground | Producer | MRDS |
| Estes Belle and Hilltop Claims | Beryllium | Surface | Producer | MRDS |
| Estes Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Flat Iron | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Fort Collins | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Fort Collins Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Fort Collins Plant | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Goodwin Plant | Stone, Crushed/Broken | Processing Plant | Producer | MRDS |
| Goodwin Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Graphite Nos 1 To 7 | Graphite | Surface | Producer | MRDS |
| Green Cryatals Nos 3&4 Claims | Beryllium | Surface | Producer | MRDS |
| Green Quartz Beryl Claims No 1-9 | Quartz | Surface | Producer | MRDS |
| Haag's Sand & Gravel | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Hanks Hole Claims | Beryllium | Underground | Producer | MRDS |
| He & M No 9 Claims | Beryllium | Surface | Producer | MRDS |
| Heline Property | Tungsten | Surface | Producer | MRDS |
| Hg & J No 3 Claim | Beryllium | Surface | Producer | MRDS |
| Hg & J Nos 15 and 23 Claims | Beryllium | Surface | Producer | MRDS |
| Hide-A-Way Claim | Beryllium | Producer | MRDS | |
| Hide-A-Way Claim | Beryllium | Surface | Producer | MRDS |
| Hideabove | Beryllium | Surface | Producer | MRDS |
| Hilltop #23 | Beryllium | Producer | MRDS | |
| Hilltop No 3 Claims | Beryllium | Surface | Producer | MRDS |
| Howes Gulch District | Copper, Gold, Silver | Producer | MRDS | |
| Huckleberry Beryl Deposit | Beryllium | Surface | Producer | MRDS |
| Humphery Beryl Pegmatite | Beryllium | Surface | Producer | MRDS |
| Hyatt Ranch Mine | Feldspar, Beryllium, Mica | Producer | MRDS | |
| Kauffman Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Kelsey Lake | Gemstone | Surface | Producer | MRDS |
| Kings Kanyon Claims | Beryllium | Surface | Producer | MRDS |
| Larimer Quarry | Stone | Surface | Producer | MRDS |
| Loveland | Stone | Underground | Producer | MRDS |
| Loveland Gravel Pit | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Loveland Quarry | Gypsum-Anhydrite | Underground | Producer | MRDS |
| Loveland Ready Mix Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Loveland Sandstone Quarry | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Mason Mine | Silver, Tungsten, Gold | Producer | MRDS | |
| Masonville District | Gold, Silver | Producer | MRDS | |
| Mica Dike Claims | Beryllium | Surface | Producer | MRDS |
| Mona No 4 | Beryllium | Surface | Producer | MRDS |
| Mona No. 4 | Beryllium | Producer | MRDS | |
| Mt Ethyl Beryl Claim | Beryllium | Surface | Producer | MRDS |
| Mym | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Pan Claims | Beryllium | Surface | Producer | MRDS |
| Plains View | Beryllium | Surface | Producer | MRDS |
| Primrose Beryl Claim | Beryllium | Surface | Producer | MRDS |
| Prospect Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Rattlesnake Park | Beryllium | Surface | Producer | MRDS |
| Rattlesnake Park Mine | Lithium, Beryllium | Producer | MRDS | |
| Redstone Loveland | Stone, Crushed/Broken | Underground | Producer | MRDS |
| Reta Beryl Claim | Beryllium | Underground | Producer | MRDS |
| Rex Quarry | Calcium | Underground | Producer | MRDS |
| Roberts Quarry | Gypsum-Anhydrite | Surface | Producer | MRDS |
| Say Hawker Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Sheep Draw Quarry | Silica | Surface | Producer | MRDS |
| Slab Canyon Quarry | Limestone, Dimension | Surface | Producer | MRDS |
| State Lease | Stone, Crushed/Broken | Underground | Producer | MRDS |
| Sterling Plant | Sand and Gravel, Construction | Processing Plant | Producer | MRDS |
| Storm Mtn. Lode | Beryllium | Producer | MRDS | |
| Thodab | Beryllium | Producer | MRDS | |
| Treiber Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Troupe | Stone | Surface | Producer | MRDS |
| Unknown | Stone, Dimension | Producer | MRDS | |
| Unknown | Clay | Producer | MRDS | |
| Unknown | Limestone, General | Producer | MRDS | |
| Unnamed Pit | Clay | Surface | Producer | MRDS |
| Unnamed Pit | Clay | Surface | Producer | MRDS |
| Unnamed Pit | Clay | Surface | Producer | MRDS |
| Unnamed Pit | Clay | Surface | Producer | MRDS |
| Valley View Claims No 142 | Beryllium | Surface | Producer | MRDS |
| Vona Mae | Stone, Dimension | Producer | MRDS | |
| Vona Mae | REE | Underground | Producer | MRDS |
| Weaver | Stone | Surface | Producer | MRDS |
| White Quarry | Stone | Underground | Producer | MRDS |
| Wisdom Ranch | Beryllium | Producer | MRDS | |
| Wisdom Ranch | Silica | Underground | Producer | MRDS |
| Woodhams Quarry | Gypsum-Anhydrite | Surface | Producer | MRDS |
| (Facility) Loveland Sugar Refinery Quarry | Calcium | Processing Plant | Plant | MRDS |
| A. L. Stein Ranch Uranium Prospect | Uranium | Occurrence | MRDS | |
| Abandon Mine | Beryllium | Occurrence | MRDS | |
| Abandon Mine | Beryllium | Underground | Past Producer | MRDS |
| Adams Transit Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Akney Mine | Gold, Copper, Silver | Occurrence | MRDS | |
| Alice M Beryl | Beryllium | Underground | Past Producer | MRDS |
| Alice M. and Helen M. Beryl | Beryllium | Occurrence | MRDS | |
| Amrize Ingleside Quarry | Crushed, Broken Limestone NEC | Surface | Intermittent | MSHA |
| Arkins Quarry | Dimension Sandstone | Surface | Abandoned | MSHA |
| Ball Scheelite Mine | Tungsten | Occurrence | MRDS | |
| Barnard Quarry | Dimension Sandstone | Surface | Intermittent | MSHA |
| Bashor Mine | Fluorine-Fluorite | Occurrence | MRDS | |
| Bashor Mine | Fluorine-Fluorite | Underground | Past Producer | MRDS |
| Batterson Lode | Uranium | Occurrence | MRDS | |
| Bear Cat Prospect | Gold, Silver | Occurrence | MRDS | |
| Berghof Lode | Gold, Silver, Copper | Occurrence | MRDS | |
| Berghof Lode | Gold | Underground | Past Producer | MRDS |
| Berthoud Pink | Dimension Stone NEC | Surface | Abandoned | MSHA |
| Beryl Dike | Beryllium | Occurrence | MRDS | |
| Beryl Dike Mine | Beryllium | Occurrence | MRDS | |
| Beryl No. 3 Claim | Beryllium, Mica | Past Producer | MRDS | |
| Beryl No. 5 | Beryllium | Occurrence | MRDS | |
| Beryl No. 5 Prospect | Beryllium, Mica | Occurrence | MRDS | |
| Beryl No. 5 Prospect | Beryllium, Mica | Surface | Occurrence | MRDS |
| Bidwell Claims | Tungsten | Past Producer | MRDS | |
| Big Boulder | Beryllium | Underground | Past Producer | MRDS |
| Big Boulder Prospect | Mica | Past Producer | MRDS | |
| Big Mica Beryl Prospect | Mica, Silver, Lead, Gold | Occurrence | MRDS | |
| Big Thompson Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Big Thompson Plant | Sand and Gravel, Construction | Processing Plant | Past Producer | MRDS |
| Boyd Lake | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Buckhorn | Silica | Underground | Past Producer | MRDS |
| Buckhorn Mica Mine | Mica | Surface | Past Producer | MRDS |
| Colorado Rose Red Quarry | Dimension Stone NEC | Underground | Abandoned | MSHA |
| Calypso Beryl Mine | Beryllium | Occurrence | MRDS | |
| Carter Lake Enterprises Inc | Dimension Stone NEC | Surface | Abandoned | MSHA |
| Carter Lake Uranium Occurrence | Uranium | Occurrence | MRDS | |
| Carter Tunnel | Tungsten | Underground | Occurrence | MRDS |
| Cash Mine | Gold, Silver, Copper | Occurrence | MRDS | |
| Challenger Mine | Tungsten | Past Producer | MRDS | |
| Chaney-Sims Beryl Prospects | Beryllium, Mica, Feldspar | Occurrence | MRDS | |
| Chaney-Suns Prospects | Beryllium | Occurrence | MRDS | |
| Cirque Claims | Fluorine-Fluorite | Underground | Past Producer | MRDS |
| Cojade | Mica | Underground | Past Producer | MRDS |
| Colorado Mine | Gold, Silver | Occurrence | MRDS | |
| Copper King Group | Copper | Underground | Past Producer | MRDS |
| Copper King Mine | Uranium | Underground | Past Producer | MRDS |
| Copper King Mine | Zinc, Uranium | Past Producer | MRDS | |
| Corral Pole Mica Mine | Mica | Underground | Past Producer | MRDS |
| Corral Pole Mine | Mica, Beryllium, Feldspar | Past Producer | MRDS | |
| Coulson Portable | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Coulson Portable Wash Plant | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Crist Mine | Copper, Gold, Silver | Occurrence | MRDS | |
| Crown Point Vein | Gold | Occurrence | MRDS | |
| Crystal Silica Claims | Bismuth | Occurrence | MRDS | |
| Crystal Silica Mine | Mica | Past Producer | MRDS | |
| Crystal Silica Mine | Mica | Surface-Underground | Past Producer | MRDS |
| Crystal Silica Prospect | Niobium (Columbium), Tantalum, Beryllium | Occurrence | MRDS | |
| Crystal Snow Mine | Beryllium, REE | Occurrence | MRDS | |
| Davis Nickel Prospect | Nickel | Surface | Past Producer | MRDS |
| Deadman Butte | Gypsum-Anhydrite | Underground | Unknown | MRDS |
| Debbie Doll | Beryllium | Occurrence | MRDS | |
| Debbie Doll Beryl | Beryllium | Occurrence | MRDS | |
| Debbie Doll Mine | Beryllium, Lithium | Occurrence | MRDS | |
| Depression Mine | Silver, Gold | Past Producer | MRDS | |
| Double Opening Prospect | Feldspar | Past Producer | MRDS | |
| Estes Bell and Hilltop | Uranium | Occurrence | MRDS | |
| Eureka | Uranium | Occurrence | MRDS | |
| Eureka Claims Nos 1 To 8 | Uranium | Unknown | MRDS | |
| Eureka Group | Uranium | Past Producer | MRDS | |
| Ft Collins Plant | Cement | Facility | Abandoned | MSHA |
| Free Gold Mine | Gold, Silver | Past Producer | MRDS | |
| Garita Stone Buzzards Inc. | Dimension Sandstone | Surface | Abandoned | MSHA |
| Giant Crystal Mine | Beryllium, Mica | Past Producer | MRDS | |
| Glacier Rock Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Glen O. Barrett Et Al | Beryllium | Underground | Past Producer | MRDS |
| Gold Coin Mine | Silver, Gold | Occurrence | MRDS | |
| Goldora Mine | Silver, Gold | Occurrence | MRDS | |
| Green Crystal Mine | Beryllium | Past Producer | MRDS | |
| Green Crystal, Beryl No. 1-9 | Quartz | Occurrence | MRDS | |
| Green Rock Mine | Tungsten | Underground | Past Producer | MRDS |
| Greeno Nos 1-20 | Mica | Underground | Past Producer | MRDS |
| H E & M #9 | Beryllium | Occurrence | MRDS | |
| H G & S No. 3 Mine | Mica, Beryllium | Occurrence | MRDS | |
| H G and J No. 15 and 23 Claims | Beryllium | Occurrence | MRDS | |
| Haag Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Hanks Hole Mine | Beryllium | Occurrence | MRDS | |
| Heitf Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Hide Above Lode | Beryllium, Lithium | Past Producer | MRDS | |
| Hide Away and Hide Above | Beryllium | Occurrence | MRDS | |
| Hilltop No. 23 Mine | Beryllium | Past Producer | MRDS | |
| Home District | Gold, Silver | Occurrence | MRDS | |
| Hotchkiss Mine | Dimension Stone NEC | Surface | Intermittent | MSHA |
| Huckleberry Mine | Beryllium | Occurrence | MRDS | |
| Humphrey Beryl Prospect | Beryllium | Occurrence | MRDS | |
| Humphrey Beryl Prospect | Mica, Beryllium | Occurrence | MRDS | |
| Hyatt Ranch | Beryllium | Underground | Past Producer | MRDS |
| Iron King Mine | Zinc, Copper | Occurrence | MRDS | |
| Iron Mountain | Pumice | Underground | Unknown | MRDS |
| Jay Dee Dee Claims | Beryllium | Past Producer | MRDS | |
| Kauffman Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Kelly Mine | Silver, Gold | Past Producer | MRDS | |
| Kings Canyon Mine | Beryllium | Occurrence | MRDS | |
| Knox Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Laporte Hydrate Lime Plant | Lime | Surface | Abandoned | MSHA |
| Lady Moon Mine | Uranium | Past Producer | MRDS | |
| Langford Copper Mine | Copper | Occurrence | MRDS | |
| Langford Iron Mine | Iron | Occurrence | MRDS | |
| Langston Mine | Beryllium, Mica | Past Producer | MRDS | |
| Langston Pit | Surface | Past Producer | MRDS | |
| Lewis Beryl Mine | Feldspar | Underground | Past Producer | MRDS |
| Lewis Beryl Prospect | Mica, Beryllium | Occurrence | MRDS | |
| Lewis Beryl Prospect | Beryllium | Occurrence | MRDS | |
| Little Bobby Vein | Gold | Occurrence | MRDS | |
| Lodge Pole Mine | Mica, Beryllium | Past Producer | MRDS | |
| Lone Pine Mine | Gold | Past Producer | MRDS | |
| Lookout Lode | Tungsten | Underground | Past Producer | MRDS |
| Lookout Mine | Tungsten | Past Producer | MRDS | |
| Lookout and Challenger Deposits | Tungsten | Past Producer | MRDS | |
| Loudwire Quarry | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Loveland Ready Mix Plant | Sand and Gravel, Construction | Processing Plant | Past Producer | MRDS |
| Lucky Strike Claims | Uranium, Silver | Occurrence | MRDS | |
| Lucky Strike Claims | Uranium | Surface | Past Producer | MRDS |
| Lyons Red | Dimension Sandstone | Surface | Abandoned | MSHA |
| Manhattan District | Gold, Silver | Past Producer | MRDS | |
| Mason Ranch | Tungsten | Underground | Past Producer | MRDS |
| Masonville | Tungsten | Underground | Past Producer | MRDS |
| Mayesville District | Uranium | Past Producer | MRDS | |
| Meadow Hollow | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Meadow Hollow Quarry | Dimension Sandstone | Surface | Abandoned | MSHA |
| Mica Dike Claim | Beryllium, Mica | Past Producer | MRDS | |
| Mica-Beryl Prospect | Beryllium | Occurrence | MRDS | |
| Mica-Beryl Prospect | Mica, Beryllium | Occurrence | MRDS | |
| Mineral Concentrates | Beryllium | Processing Plant | Past Producer | MRDS |
| Mint Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Mobile | Dimension Sandstone | Surface | Abandoned | MSHA |
| Monroe Pit | Gypsum-Anhydrite | Surface | Past Producer | MRDS |
| Monte Cristo Claim | Gold, Silver | Occurrence | MRDS | |
| Mountain State Mill | Gold | Processing Plant | Past Producer | MRDS |
| Mt Ethel Mine | Beryllium | Past Producer | MRDS | |
| Mt Olympia Mine | Mica | Underground | Past Producer | MRDS |
| Mt. Olympia | Mica | Occurrence | MRDS | |
| Mt. Olympus Mine | Beryllium, Mica | Past Producer | MRDS | |
| Northern Portable Plant #3 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Northern Portable Plant #4 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| New Hope Claims | Niobium (Columbium), Tantalum | Surface | Prospect | MRDS |
| Northern Portable Plant #17 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Northern Portable Plant #4 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Owl Canyon Mine | Gypsum-Anhydrite, Stone, Crushed/Broken | Underground | Past Producer | MRDS |
| Portable #1 Fort Collins | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Portable Crusher #1 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Portable Wash Plant #1 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Pan Claims | Beryllium | Past Producer | MRDS | |
| Polemic | Surface | Plant | MRDS | |
| Portable Crusher | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Portable Crusher #3 | Sand, Common | Surface | Abandoned | MSHA |
| Portable Crusher #4 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Prairie Divide | Fluorine-Fluorite | Underground | Past Producer | MRDS |
| Primorose Beryl Lode | Beryllium, Mica, Manganese | Past Producer | MRDS | |
| Primrose Beryl | Beryllium | Occurrence | MRDS | |
| Prodigal Mine | Silver, Gold | Occurrence | MRDS | |
| Rainbow Lode | Beryllium | Underground | Past Producer | MRDS |
| Red Head Claim | Thorium, Beryllium, Uranium | Occurrence | MRDS | |
| Red Hill 1 | Surface | Past Producer | MRDS | |
| Red Mountain Lode | Lead, Zinc | Occurrence | MRDS | |
| Red Quarry | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Redfeather Pit | Quartz | Surface | Past Producer | MRDS |
| Rita Beryl Mine | Beryllium | Past Producer | MRDS | |
| Rockfield Mine | Gold, Silver | Past Producer | MRDS | |
| Rocky Road Quarry | Dimension Sandstone | Surface | Intermittent | MSHA |
| Sheep Creek Prospect | Uranium, Thorium, REE | Occurrence | MRDS | |
| Silica Beryl Mine | Mica, Beryllium | Past Producer | MRDS | |
| Soda Springs Group | Uranium | Past Producer | MRDS | |
| Sodom | Gold | Underground | Past Producer | MRDS |
| Sodom Mine | Gold, Silver | Occurrence | MRDS | |
| Spaulding Mine | Tungsten | Underground | Past Producer | MRDS |
| Sprague - Buff Quarry | Dimension Sandstone | Surface | Abandoned | MSHA |
| Spring Group | Uranium | Past Producer | MRDS | |
| Spring No 1 & 2 Claims | Uranium | Occurrence | MRDS | |
| Swart | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Tantalum Prospect | Beryllium, Tantalum, Niobium (Columbium) | Occurrence | MRDS | |
| Tantalum Prospect | Beryllium, Tantalum, Mica | Occurrence | MRDS | |
| Thodab Bull Elk Claim | Beryllium | Surface | Past Producer | MRDS |
| Thompson Canyon Scheelite Occurrences | Tungsten | Occurrence | MRDS | |
| Tourmaline Prospect | Feldspar, Quartz | Surface | Occurrence | MRDS |
| Treasure Hill Mine | Nickel | Occurrence | MRDS | |
| Treasure Hill Mine | Nickel | Underground | Past Producer | MRDS |
| U.s.gypsum Quarry M.y.m. | Gypsum-Anhydrite | Underground | Past Producer | MRDS |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Stone | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Stone | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | 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 | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Clay | Occurrence | MRDS | |
| Unknown | Stone | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | 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 | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Limestone, General | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Fire Clay (Refractory) | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Limestone, General | 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 | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Limestone, General | Occurrence | MRDS | |
| Unknown | Sand and Gravel, Construction | Occurrence | MRDS | |
| Unknown | Feldspar, Quartz | Surface | Unknown | MRDS |
| Unnamed Mine | Gypsum-Anhydrite | Underground | Unknown | MRDS |
| Unnamed Mine | Beryllium | Underground | Past Producer | MRDS |
| Unnamed Mine | Feldspar | Underground | Unknown | MRDS |
| Unnamed Mine | Fluorine-Fluorite | Underground | Past Producer | MRDS |
| Unnamed Prospect | Silver, Lead, Bismuth, Zinc | Occurrence | MRDS | |
| Unnamed Prospect | Lead, Zinc, Bismuth, Copper | Occurrence | MRDS | |
| Unnamed Prospect | Copper, Gold, Nickel Laterite, Silver | Occurrence | MRDS | |
| Unnamed Prospect | Copper | Occurrence | MRDS | |
| Unnamed Prospect | Gold, Zinc, Silver | Occurrence | MRDS | |
| Unnamed Prospects | Silver | Occurrence | MRDS | |
| Unnamed Prospects | Copper, Silver | Occurrence | MRDS | |
| Uranium Queen Mine | Uranium, Vanadium | Past Producer | MRDS | |
| Vona Mae Claims | REE, Thorium | Occurrence | MRDS | |
| Weaver Quarry | Dimension Sandstone | Surface | Intermittent | MSHA |
| Windy Point | Dimension Sandstone | Surface | Abandoned | MSHA |
| Wahketa Lease | Uranium, Vanadium | Past Producer | MRDS | |
| Wahketa Lease | Surface | Past Producer | MRDS | |
| Wahketa Mine | Uranium | Occurrence | MRDS | |
| Wild's | Stone | Surface | Past Producer | MRDS |
| Wisdom Ranch Prospect | Beryllium | Past Producer | MRDS | |
| Wyoming Hereford Ranch Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Yellow Jacket Group | Gold | Occurrence | MRDS |