Mines in Sweet Grass County, Montana
158Total
4Active
Sweet Grass County, Montana has 158 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 4 of these are currently active mining operations. The most commonly recorded commodity is gold, with 45 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Sweet Grass County
| 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 |