Mines in Johnson County, Wyoming
442Total
14Active
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Arno Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Benton Clay Bentonite Mine & Mill | Bentonite | Surface | Producer | MRDS |
| Bentonite Draw | Bentonite | Underground | Producer | MRDS |
| Buffalo Sand And Gravel Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Carter Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Chabot Mine | Uranium | Underground | Producer | MRDS |
| Durande Mine | Bentonite | Surface | Producer | MRDS |
| Irigaray Mine | Uranium | Well | Producer | MRDS |
| John Christian Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Kaycee Bentonite Corp #42 | Bentonite | Producer | MRDS | |
| Kaycee Bentonite Mine #100 | Bentonite | Producer | MRDS | |
| Posey Creek Area | Bentonite | Producer | MRDS | |
| South Kaycee Mine | Bentonite | Surface | Producer | MRDS |
| Unnamed | Uranium | Surface | Producer | MRDS |
| Screen 1 | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| 3r Pit | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Alice Mae | Uranium | Surface | Past Producer | MRDS |
| Antelope Group | Uranium | Past Producer | MRDS | |
| Astec Screening Plant | Sand, Common | Surface | Temporarily Idled | MSHA |
| Bpm 76 Creek Mine | Bentonite | Surface | Abandoned | MSHA |
| Bear Lodge | Uranium | Occurrence | MRDS | |
| Betsey Bass Claim | Uranium | Occurrence | MRDS | |
| Big Horn Mine | Manganese, Gold | Past Producer | MRDS | |
| Big Horn Mountains # 1 | Gypsum-Anhydrite | Unknown | MRDS | |
| Big Horn Mountains # 2 | Gypsum-Anhydrite | Unknown | MRDS | |
| Bull Camp Group | Copper | Prospect | MRDS | |
| Chc Portable Crusher #1 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Crusher #1 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Cellar Number Four | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Channel Deposit | Uranium | Surface | Unknown | MRDS |
| Charlie Ore Body | Uranium | Surface | Unknown | MRDS |
| Christensen Lease No.2 | Uranium | Surface | Unknown | MRDS |
| City Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Columbus Group | Uranium | Past Producer | MRDS | |
| Cottonwood Creek | Gypsum-Anhydrite | Unknown | MRDS | |
| Craney Draw | Uranium | Surface | Unknown | MRDS |
| Crazy Woman Creek | Bentonite | Unknown | MRDS | |
| Cross H Mesa D Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Cross H Mesa Pit C | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Cross H Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Cross H Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Cross H Pit Number Two # 1 | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Cross H Pit Number Two # 2 | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Crusher 1 Rental | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Crusher Plant #1 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Daniel's Pit Number Two | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Del | Uranium | Surface | Past Producer | MRDS |
| Del 1 Or Lucky Lady 2 | Uranium | Surface | Past Producer | MRDS |
| Del Linch Claim | Uranium | Occurrence | MRDS | |
| Del Linch Claim | Uranium | Occurrence | MRDS | |
| Desert Queen | Uranium | Occurrence | MRDS | |
| Desert Queen | Uranium | Unknown | MRDS | |
| Dull Knife Dam | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Durand #1 | Bentonite | Occurrence | MRDS | |
| Durand #2 | Bentonite | Occurrence | MRDS | |
| Fabtech Wash Plant | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Faddis-kennedy | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Figure 8 #3 | Uranium | Occurrence | MRDS | |
| Fisher Industries Plant 42 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Forest Group | Uranium | Surface | Unknown | MRDS |
| Forked Canyon No 2 | Uranium | Occurrence | MRDS | |
| Frank Claims | Uranium | Occurrence | MRDS | |
| Gashey Pit Number Three | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Gorden Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Greenlee Nos. 1 & 2 | Uranium | Surface | Past Producer | MRDS |
| Gunderman Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| H. N. Thompson | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Hanna 1 | Uranium | Prospect | MRDS | |
| Hanna 4 | Uranium | Occurrence | MRDS | |
| Hannah #1 | Uranium | Occurrence | MRDS | |
| Happy No. 1 | Uranium | Occurrence | MRDS | |
| Harriett Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Hazelton 1- Turnpike | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Hepp Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Horn Venture | Thorium | Occurrence | MRDS | |
| Husen Pit B | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Husen Pit Number A | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Irvine Ranch Area | Uranium | Occurrence | MRDS | |
| Irvine Ranch Area | Uranium | Occurrence | MRDS | |
| J L Masek #1 | Uranium | Placer | Occurrence | MRDS |
| J.l. Masek's Lode #1 | Uranium | Occurrence | MRDS | |
| Jack Christansen | Uranium | Surface | Past Producer | MRDS |
| Jack Rabbit Nos. 1+2 Claims | Uranium | Occurrence | MRDS | |
| Jane 1 | Uranium | Occurrence | MRDS | |
| Jarrard Extension | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Jarrard Rock Pile | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Jarris-marie #1 | Uranium | Occurrence | MRDS | |
| Jeri Meri Mine | Uranium | Surface | Past Producer | MRDS |
| Jerrie Marie | Uranium | Occurrence | MRDS | |
| Jerrie Marie Prospect | Uranium | Occurrence | MRDS | |
| Jim Dandy | Uranium | Prospect | MRDS | |
| Karl 3 Claim | Uranium | Occurrence | MRDS | |
| Kay Cee Project | Uranium | Surface-Underground | Prospect | MRDS |
| Kaycee Bent Corp #19 | Bentonite | Occurrence | MRDS | |
| Kaycee Bent Corp #34 | Bentonite | Occurrence | MRDS | |
| Kaycee Bent Corp #40 | Bentonite | Occurrence | MRDS | |
| Kaycee Bent Corp #6 | Bentonite | Occurrence | MRDS | |
| Kaycee Bent Corp #7 | Bentonite | Occurrence | MRDS | |
| Kaycee Bent Corp #70 | Bentonite | Occurrence | MRDS | |
| Kaycee Bent Corp #92 | Bentonite | Occurrence | MRDS | |
| Kaycee Bent Corp #96 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #1 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #10 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #11 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #12 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #13 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #14 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #15 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #16 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #17 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #18 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #2 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #20 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #21 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #22 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #23 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #24 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #25 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #26 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #27 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #28 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #29 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #3 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #30 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #31 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #32 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #33 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #35 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #36 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #37 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #38 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #4 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #41 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #43 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #44 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #45 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #46 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #47 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #48 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #49 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #5 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #50 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #51 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #52 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #53 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #54 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #55 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #57 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #58 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #59 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #60 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #61 | Bentonite | Unknown | MRDS | |
| Kaycee Bentonite Corp #62 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #64 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #65 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #66 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #67 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #68 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #71 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #72 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #73 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #74 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #75 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #76 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #77 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #78 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #79 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #8 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #80 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #81 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #82 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #83 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #84 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #85 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #86 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #87 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #88 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #89 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #9 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #90 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #91 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #93 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #94 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #95 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #97 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #98 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp #99 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp.#39 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp.#63 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Corp.#69 | Bentonite | Occurrence | MRDS | |
| Kaycee Bentonite Mine #56 | Bentonite | Occurrence | MRDS | |
| Kaycee Mine | Bentonite | Surface | Intermittent | MSHA |
| Kearney Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Keith Ditch | Bentonite | Past Producer | MRDS | |
| Keith Pit Number One # 1 | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Keith Pit Number One # 2 | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Kel-roy | Uranium | Surface | Past Producer | MRDS |
| Kell Roy #3 | Uranium | Occurrence | MRDS | |
| Kell Roy #3 Prospect | Uranium | Occurrence | MRDS | |
| Kelly Creek | Gold | Past Producer | MRDS | |
| Kennedy | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Kerr-mcgee Stan 7 Or 8 Claims | Uranium | Occurrence | MRDS | |
| Kershner | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Kidd Ranch North End | Bentonite | Occurrence | MRDS | |
| Lem 3 And 4 And Moe 3 And 4 Claims | Uranium | Occurrence | MRDS | |
| Loc. 111 | Uranium | Occurrence | MRDS | |
| Loc. 115 | Uranium | Occurrence | MRDS | |
| Loc. 118 | Uranium | Occurrence | MRDS | |
| Loc. 157 | Uranium | Occurrence | MRDS | |
| Loc. 77. | Uranium | Occurrence | MRDS | |
| Loc. 90 | Uranium | Occurrence | MRDS | |
| Lode #1 | Uranium | Occurrence | MRDS | |
| Lucky 7 | Uranium | Surface | Unknown | MRDS |
| Lucky Three Group | Uranium | Prospect | MRDS | |
| Mangan Mine | Manganese | Surface | Occurrence | MRDS |
| Marton Powder River Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Mayoworth #11 | Bentonite | Unknown | MRDS | |
| Mayworth #5 | Bentonite | Occurrence | MRDS | |
| Mayworth # 10 | Bentonite | Unknown | MRDS | |
| Mayworth #1 | Bentonite | Occurrence | MRDS | |
| Mayworth #2 | Bentonite | Occurrence | MRDS | |
| Mayworth #6 | Bentonite | Occurrence | MRDS | |
| Mayworth #7 & 8 | Bentonite | Occurrence | MRDS | |
| Mayworth #9 | Bentonite | Occurrence | MRDS | |
| Meike Pit Number Three | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Metso Screening Plant | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Microwave Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Middle Fork, Crazy Woman Creek | Gypsum-Anhydrite | Unknown | MRDS | |
| Missy #1 | Uranium | Surface | Past Producer | MRDS |
| Moe 14 | Uranium | Past Producer | MRDS | |
| Morton Pit Number Two | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Mosier Gulch | Limestone, General | Unknown | MRDS | |
| Mountain #1 U Co. | Uranium | Past Producer | MRDS | |
| Muddy Creek | Bentonite | Unknown | MRDS | |
| Muddy Creek Mine | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Muir-moor Head | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Murphy Creek Area | Bentonite | Underground | Unknown | MRDS |
| Near Beaver Creek | Gypsum-Anhydrite | Unknown | MRDS | |
| North Fork Powder River # 1 | Bentonite | Unknown | MRDS | |
| North Fork, Powder River # 2 | Gypsum-Anhydrite | Unknown | MRDS | |
| North Rock Creek | Gypsum-Anhydrite | Unknown | MRDS | |
| North Tisdale Shaft No 1 | Oil Shale | Underground | Abandoned | MSHA |
| Ole Claims | Uranium | Prospect | MRDS | |
| Opal Claims | Uranium | Occurrence | MRDS | |
| Osborne | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| P Claim | Uranium | Past Producer | MRDS | |
| Portable #1 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Pass Creek | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Pass Reservoir Area | Limestone, General, Gypsum-Anhydrite | Unknown | MRDS | |
| Pelloux Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Peterson Draw | Bentonite | Surface | Unknown | MRDS |
| Portable Crusher | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Portable Wash Plant #3 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Powder River Mine | Manganese, Gold | Underground | Past Producer | MRDS |
| Powder River Pass | Copper | Occurrence | MRDS | |
| Quarter Circle 41 Ranch Pit | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Quincy Claims | Uranium | Occurrence | MRDS | |
| Ram #3 & #4 | Uranium | Occurrence | MRDS | |
| Ramsbottom Prospect | Uranium | Occurrence | MRDS | |
| Ramshorn #1 | Uranium | Surface | Prospect | MRDS |
| Ray Claims | Uranium | Underground | Prospect | MRDS |
| Red Fork # 2 | Gypsum-Anhydrite | Unknown | MRDS | |
| Red Fork #1 | Gypsum-Anhydrite | Unknown | MRDS | |
| Red Fork Powder River Area # 1 | Gypsum-Anhydrite | Unknown | MRDS | |
| Red Fork Powder River Area #2 | Gypsum-Anhydrite | Unknown | MRDS | |
| Rhodds Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Roe Bros Group | Gold, Copper | Occurrence | MRDS | |
| Sad Sack 6 | Uranium | Occurrence | MRDS | |
| Sad Sack Claim | Uranium | Occurrence | MRDS | |
| Sad Sack Claims | Uranium, Selenium | Occurrence | MRDS | |
| Scale Number One | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Schiffer | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Schmidt Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Screen #4 | Bentonite | Surface | Intermittent | MSHA |
| Screen 1 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Shambaugh Number Two | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Shell Creek | Gypsum-Anhydrite | Occurrence | MRDS | |
| Shell Creek | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Sisters Hill | Gypsum-Anhydrite | Unknown | MRDS | |
| Site B | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Skiles Pit Number One | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Skiles-reno Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Slate Ridge #1 | Bentonite | Occurrence | MRDS | |
| Slate Ridge #10 | Bentonite | Occurrence | MRDS | |
| Slate Ridge #3 | Bentonite | Occurrence | MRDS | |
| Slate Ridge #5 | Bentonite | Occurrence | MRDS | |
| Slate Ridge #7 | Bentonite | Occurrence | MRDS | |
| Slate Ridge #8 | Bentonite | Occurrence | MRDS | |
| Slate Ridge #9 | Bentonite | Occurrence | MRDS | |
| Slate Ridge Number Eleven | Bentonite | Occurrence | MRDS | |
| Slate Ridge Number Four | Bentonite | Occurrence | MRDS | |
| Slate Ridge Number Six | Bentonite | Occurrence | MRDS | |
| Slate Ridge Number Two | Bentonite | Occurrence | MRDS | |
| Smith Pit Number One | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Snakebite No.2 | Uranium | Surface | Past Producer | MRDS |
| Soldiers & Sailors Pit Number Three | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| South Fork Crazy Woman | Gypsum-Anhydrite | Unknown | MRDS | |
| South Fork Powder River | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| South Fork, Crazy Woman Creek | Bentonite | Past Producer | MRDS | |
| South Peak Mining Property | Uranium | Surface | Past Producer | MRDS |
| Spring Creek | Gypsum-Anhydrite | Unknown | MRDS | |
| State Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Stone Yard #1 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Sunset Claim Group | Uranium | Surface | Prospect | MRDS |
| Sunset Mines | Uranium | Past Producer | MRDS | |
| T.a. Ranch Pit | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Taylor | Uranium | Surface | Unknown | MRDS |
| Taylor | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Taylor Prospect | Manganese | Occurrence | MRDS | |
| Thompson | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Thompson Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Tisdale # 1 | Bentonite | Occurrence | MRDS | |
| Tisdale # 2 | Bentonite | Occurrence | MRDS | |
| Tisdale # 3 | Bentonite | Occurrence | MRDS | |
| Tisdale # 4 | Bentonite | Occurrence | MRDS | |
| Tisdale # 5 | Bentonite | Occurrence | MRDS | |
| Tisdale # 6 | Bentonite | Occurrence | MRDS | |
| Tisdale # 7 | Bentonite | Occurrence | MRDS | |
| Tisdale # 8 | Bentonite | Occurrence | MRDS | |
| Tisdale # 9 | Bentonite | Occurrence | MRDS | |
| Tisdale #10 | Bentonite | Occurrence | MRDS | |
| Tisdale #11 | Bentonite | Occurrence | MRDS | |
| Tom #1 | Oil Shale | Underground | Abandoned | MSHA |
| Top Hand Group | Copper | Occurrence | MRDS | |
| Track Jaw | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Tyjil No.1 | Uranium | Surface | Past Producer | MRDS |
| Ullery | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Ullery Pit | Construction Sand and Gravel | Surface | Temporarily Idled | MSHA |
| Ullery Pit Number Three | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Vanadium, Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Processing Plant | Occurrence | MRDS |
| Unknown | Gypsum-Anhydrite | Unknown | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Bentonite | Unknown | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Unknown | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Magnesite | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Unknown | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Gypsum-Anhydrite | Occurrence | MRDS | |
| Unknown | Stone, Crushed/Broken | Prospect | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Past Producer | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Manganese | Prospect | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Bentonite | Prospect | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Bentonite | Prospect | MRDS | |
| Unknown | Manganese | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Past Producer | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Bentonite | Unknown | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Underground | Unknown | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Manganese | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Bentonite | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Stone, Crushed/Broken | Prospect | MRDS | |
| Unknown | Uranium | Surface | Past Producer | MRDS |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown | Uranium | Occurrence | MRDS | |
| Unknown (sample Anomaly #248) | Uranium | Occurrence | MRDS | |
| Unknown No.1 | Uranium | Surface | Past Producer | MRDS |
| Unknown No.2 | Uranium | Surface | Past Producer | MRDS |
| Unknown No.3 | Uranium | Surface | Past Producer | MRDS |
| Unknown No.4 | Uranium | Surface | Past Producer | MRDS |
| Unknown-kerr-mcgee Prop. | Uranium | Surface | Past Producer | MRDS |
| Unnamed | Uranium | Occurrence | MRDS | |
| Wcm Mobile Trommel | Sand, Common | Surface | Temporarily Idled | MSHA |