Mines in Sweet Grass County, Montana
158Total
4Active
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| East Boulder Mine | Platinum Group Ore | Underground | Active | MSHA |
| Anderson's Springs | Geothermal | Geothermal | Producer | MRDS |
| Boulder Creek Mine | Palladium, Platinum, PGE | Underground | Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Accident | Gold | Underground | Prospect | MRDS |
| Alaskite | Platinum, Palladium, Copper, Nickel, Chromium | Occurrence | MRDS | |
| Annie | Gold | Surface | Prospect | MRDS |
| Arlian Excavating | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Ayers Property | Calcium | Occurrence | MRDS | |
| Big Group Claims | Iron | Surface | Prospect | MRDS |
| Blakely Cliff Deposit | Chromium | Surface | Occurrence | MRDS |
| Blakely Cliffs | Chromium | Occurrence | MRDS | |
| Blue Lake Prospects | Gold | Surface-Underground | Prospect | MRDS |
| Bluebird | Chromium | Occurrence | MRDS | |
| Bluebird | Chromium | Surface | Occurrence | MRDS |
| Bluebird Cr-pt | Platinum, Chromium, Copper, Nickel | Occurrence | MRDS | |
| Bluebird Fraction | Prospect | MRDS | ||
| Bluebird Ni-cu | Nickel, Copper | Occurrence | MRDS | |
| Bonanza No. 1 Lode | Chromium | Prospect | MRDS | |
| Bonanza No. 3 Lode | Chromium | Prospect | MRDS | |
| Bonanza No. 4 Lode | Chromium | Prospect | MRDS | |
| Bonanza No. 5 Lode | Chromium | Prospect | MRDS | |
| Boulder Calcite | Calcium | Underground | Unknown | MRDS |
| Boulder East | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| Boulder River Ni-cu East | Copper, Nickel | Occurrence | MRDS | |
| Boulder River Ni-cu Riverside | Nickel, Copper | Occurrence | MRDS | |
| Boulder River Nickel Prospect | Nickel | Surface-Underground | Prospect | MRDS |
| Boulder West | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| Bridger Creek | Calcium | Occurrence | MRDS | |
| Brilliant | Gold | Underground | Prospect | MRDS |
| Butte And Butte No. 1 Claims | Iron | Surface | Unknown | MRDS |
| Cartwright Calcite Deposit | Calcium | Surface-Underground | Past Producer | MRDS |
| Cartwright Crystal Spar Group | Calcium | Underground | Prospect | MRDS |
| Chrome Mountain Ni-cu | Copper, Nickel | Occurrence | MRDS | |
| Clara | Gold | Surface-Underground | Prospect | MRDS |
| Columbus | Gold | Surface | Prospect | MRDS |
| Conner's Crusher | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Conner's Wash Plant | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Coors 602 | Platinum, Palladium | Occurrence | MRDS | |
| Crescent Creek Cr-pt | Platinum, Chromium | Occurrence | MRDS | |
| Crescent Creek Ni-cu | Nickel, Copper | Occurrence | MRDS | |
| Crescent Creek Ni/cu | Nickel | Surface | Prospect | MRDS |
| Crescent Peak Ni-cu | Nickel, Copper | Occurrence | MRDS | |
| Crown | Gold | Surface-Underground | Prospect | MRDS |
| Crown Lode | Copper | Underground | Prospect | MRDS |
| Cumberland | Gold | Surface-Underground | Prospect | MRDS |
| Curry Calcite Deposit | Calcium | Occurrence | MRDS | |
| Daisy | Gold | Underground | Past Producer | MRDS |
| Daisy Group | Gold | Past Producer | MRDS | |
| Dark Horse | Chromium | Prospect | MRDS | |
| Deer Creek | Iron | Surface-Underground | Prospect | MRDS |
| Delta | Gold | Surface-Underground | Prospect | MRDS |
| Delta Lode | Gold | Underground | Prospect | MRDS |
| Dixie | Silver | Underground | Prospect | MRDS |
| Dow | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| East Boulder Plateau | Chromium | Occurrence | MRDS | |
| East Boulder Plateau | Chromium | Surface | Prospect | MRDS |
| East Boulder River | Chromium | Surface | Occurrence | MRDS |
| East Boulder River-chrome Queen | Chromium | Occurrence | MRDS | |
| East Rainbow | Occurrence | MRDS | ||
| East Rainbow | Gold | Surface | Prospect | MRDS |
| Emma | Gold | Surface | Prospect | MRDS |
| Eve Group | Copper | Underground | Prospect | MRDS |
| Eve Group Moonlight Group | Silver | Underground | Prospect | MRDS |
| Forge Ni-cu | Copper, Nickel | Occurrence | MRDS | |
| Fox | Calcium | Occurrence | MRDS | |
| Frog Pond East | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| Frog Pond West | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| Gish Mine | Chromium | Occurrence | MRDS | |
| Gish Mine | Chromium | Underground | Past Producer | MRDS |
| Gold Hill Mine | Gold | Occurrence | MRDS | |
| Golden Slipper | Gold | Surface | Prospect | MRDS |
| Ground Hog | Chromium | Past Producer | MRDS | |
| Half Moon Mine | Lead, Gold, Silver | Prospect | MRDS | |
| Half Moon Mine | Gold | Surface | Occurrence | MRDS |
| Haystack Peak Prospect | Gold | Surface | Prospect | MRDS |
| Hidden Treasure | Gold | Underground | Prospect | MRDS |
| Hidden Treasure Mine | Gold | Past Producer | MRDS | |
| Hidden Treasure No. 4 | Gold | Surface-Underground | Prospect | MRDS |
| Ida B | Gold | Underground | Prospect | MRDS |
| Independence A | Silver | Underground | Prospect | MRDS |
| Independence Mine | Gold | Past Producer | MRDS | |
| Independence Mine | Gold | Underground | Prospect | MRDS |
| Initial | Chromium | Surface | Prospect | MRDS |
| Initial Cr-pt | Platinum | Occurrence | MRDS | |
| Intial Ni-cu | Nickel, Copper | Occurrence | MRDS | |
| Iron Creek | Nickel | Surface | Prospect | MRDS |
| Iron Dike | Iron | Surface | Prospect | MRDS |
| Iron Mountain Chrome Group | Chromium | Surface | Prospect | MRDS |
| Iron Mountain Ni-cu Camp | Nickel, Copper | Occurrence | MRDS | |
| Iron Mountain Ni-cu Iron Creek | Nickel, Copper | Occurrence | MRDS | |
| Iron Mountain-camp Ni-cu Deposit | Nickel | Prospect | MRDS | |
| Iron Mountain-chrome Group E | Chromium | Occurrence | MRDS | |
| Iron Mountain-chrome Group W | Chromium | Occurrence | MRDS | |
| Iron Mountain-gold Hill Area | Gold | Surface-Underground | Prospect | MRDS |
| Janet 50 | Zinc, Gold, Arsenic, Copper, Nickel, Platinum, Palladium, Lead | Occurrence | MRDS | |
| Kelly Prospect | Gold | Underground | Occurrence | MRDS |
| Knapp Mine | Surface | Prospect | MRDS | |
| Lilliput Fraction 221 | Gold | Underground | Prospect | MRDS |
| Lodestar Gold Hill Mine | Gold Ore | Underground | Abandoned | MSHA |
| Lost Shaft | Chromium | Prospect | MRDS | |
| M & R No. 1 | Chromium | Prospect | MRDS | |
| M & R No. 2 | Chromium | Occurrence | MRDS | |
| M & R No. 3 | Chromium | Prospect | MRDS | |
| M & R No. 4 | Chromium | Prospect | MRDS | |
| M & R No. 5 | Chromium | Prospect | MRDS | |
| Majestic & Flora B Claims | Palladium, Platinum | Occurrence | MRDS | |
| Majestic And Flora B Claims | Platinum | Underground | Prospect | MRDS |
| Midnight Bell | Gold | Underground | Occurrence | MRDS |
| Monkey East Camp Zone | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| Monkey West | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| Mud Lake Prospects | Gold | Surface-Underground | Prospect | MRDS |
| North Star | Silver | Underground | Prospect | MRDS |
| Omega | Gold | Surface-Underground | Prospect | MRDS |
| Omega Lode | Gold | Underground | Prospect | MRDS |
| Picket Pin | Platinum, Palladium | Occurrence | MRDS | |
| Picket Pin | PGE | Surface | Prospect | MRDS |
| Pine Claim | Gold | Surface | Prospect | MRDS |
| Placer And Placer | Gold | Placer | Past Producer | MRDS |
| Poor Man | Gold | Surface-Underground | Prospect | MRDS |
| Poor Man No. 2 | Gold | Surface-Underground | Prospect | MRDS |
| Poorman Lode | Gold | Underground | Prospect | MRDS |
| Poorman No. 2 Lode | Lead | Underground | Prospect | MRDS |
| Queen Victory | Gold | Underground | Prospect | MRDS |
| Rainbow | Occurrence | MRDS | ||
| Rainbow | Gold | Surface | Prospect | MRDS |
| Roe Sand & Gravel | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Ross Mine | Gold | Occurrence | MRDS | |
| Seneca | Gold | Surface | Prospect | MRDS |
| Silver King Mine | Silver | Surface | Unknown | MRDS |
| Ski Line Mine | Lead | Underground | Past Producer | MRDS |
| Skylark | Silver | Underground | Prospect | MRDS |
| Skyline Prospect | Lead, Silver, Gold | Past Producer | MRDS | |
| Smith Homestead | Calcium | Surface | Unknown | MRDS |
| Sourdough Pit | Dimension Stone NEC | Surface | Abandoned | MSHA |
| Springfield | Silver | Underground | Prospect | MRDS |
| Stillwater Anorthosite | Aluminum | Surface | Prospect | MRDS |
| Surprise Mine | Gold | Occurrence | MRDS | |
| Swamp Lake Area | Gold | Surface | Prospect | MRDS |
| Tam And Zana | Silver | Surface | Prospect | MRDS |
| Taylor-fry-tuttle | Chromium | Prospect | MRDS | |
| Ueland Calcite Deposit | Calcium | Occurrence | MRDS | |
| Unidentified Occurrence | Gold, Silver | Occurrence | MRDS | |
| Unnamed Calcite Deposit | Calcium | Occurrence | MRDS | |
| Unnamed Calcite Deposit | Calcium | Occurrence | MRDS | |
| Unnamed Calcite Deposit | Calcium | Occurrence | MRDS | |
| Unnamed Copper Mine | Copper | Surface | Unknown | MRDS |
| Unnamed Copper Occurrence | Copper | Surface | Occurrence | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Unknown | MRDS |
| Unnamed Prospect | Gold | Underground | Prospect | MRDS |
| West Fork Cr-pt Tuttle | Platinum, Chromium | Occurrence | MRDS | |
| West Fork East Adit | Rhodium, Palladium, Platinum | Occurrence | MRDS | |
| West Fork G Taylor-fry | Chromium | Occurrence | MRDS | |
| West Fork West | Platinum, Palladium, Rhodium | Occurrence | MRDS | |
| Wheelon | Gold | Underground | Prospect | MRDS |
| Whittaker Property | Nickel | Surface-Underground | Prospect | MRDS |
| Yellowjacket No. 2 | Gold | Surface-Underground | Prospect | MRDS |
| Yellowjacket No. 2 Lode | Lead | Underground | Prospect | MRDS |