These are a list of 186 mines in Custer.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| 4g 21-21 Pit | Custer SD | Construction Sand and Gravel | View Details > |
| Agnew Mine | Custer SD | Feldspar | View Details > |
| Arcade | Custer SD | Feldspar | View Details > |
| Arnold Pit | Custer NE | Construction Sand and Gravel | View Details > |
| Bailey Pit | Custer OK | Construction Sand and Gravel | View Details > |
| Bald #4 | Custer SD | Feldspar | View Details > |
| Beshaler Gravel Company | Arnold Custer NE | Construction Sand and Gravel | View Details > |
| Big Chief #1 | Custer OK | Construction Sand and Gravel | View Details > |
| Big Spar | Custer SD | Feldspar | View Details > |
| Black Hills Gravel | Pringle Custer SD | Construction Sand and Gravel | View Details > |
| Black Mine | Custer ID | Gold Ore | View Details > |
| Bland Bull Moose | Custer SD | Feldspar | View Details > |
| Brite-X Mine | Custer SD | Mica | View Details > |
| Buffalo Hunter Load | Silver Cliff Custer CO | Construction Sand and Gravel | View Details > |
| Bulldog Mine | Custer ID | Silver Ore | View Details > |
| C R M PIT #1 | Custer ID | Construction Sand and Gravel | View Details > |
| Carbonate Mine | Custer ID | Silver Ore | View Details > |
| Carbonate Mine | Custer ID | Silver Ore | View Details > |
| CCRD Annihilater TSAB-643-07 | Miles City Custer MT | Construction Sand and Gravel | View Details > |
| Charles Dickens | Custer ID | Gold Ore | View Details > |
| Clayton Silver Mines Inc | Custer ID | Silver Ore | View Details > |
| Cliff #1 | Pringle Custer SD | Construction Sand and Gravel | View Details > |
| Clinton Plant & Pit | Custer OK | Common Clays NEC | View Details > |
| Crall Pit | Custer OK | Construction Sand and Gravel | View Details > |
| Crazy Lumberjack | Stanley Custer ID | Gold Ore | View Details > |
| Crusher #1 | Custer SD | Mica | View Details > |
| Crusher #1 | Fairburn Custer SD | Construction Sand and Gravel | View Details > |
| Crusher 1 | Buffalo Gap Custer SD | Construction Sand and Gravel | View Details > |
| Crusher 2401 | Custer MT | Construction Sand and Gravel | View Details > |
| Custer | Custer Portage WI | Construction Sand and Gravel | View Details > |
| Custer County Pit No 1 | Custer CO | Construction Sand and Gravel | View Details > |
| Custer Crushing Spread | Marathon Portage WI | Construction Sand and Gravel | View Details > |
| Custer Gravel By-Products Incorporated | Custer SD | Construction Sand and Gravel | View Details > |
| Custer Hollow | Cannelton Kanawha WV | Coal (Bituminous) | View Details > |
| Custer Mill | Broadwater MT | Tungsten Ore | View Details > |
| Custer Mill | Custer Custer SD | Feldspar | View Details > |
| Custer Mine | Custer ID | Gold Ore | View Details > |
| Custer Mine | Broadwater MT | Gold Ore | View Details > |
| Custer Mountain Mine | Custer SD | Feldspar | View Details > |
| Custer Peak Pit | Lawrence SD | Construction Sand and Gravel | View Details > |
| Custer Pit | Chippewa WI | Construction Sand and Gravel | View Details > |
| Custer Pit | Custer Portage WI | Construction Sand and Gravel | View Details > |
| Cyprus Mining Project #2 | Custer ID | Molybdenum Ore | View Details > |
| D & R | Custer SD | Gold Ore | View Details > |
| Dakota Quartz Mine | Custer SD | Crushed, Broken Stone NEC | View Details > |
| Dakota Quartz Plant | Custer Pennington SD | Crushed, Broken Stone NEC | View Details > |
| Darlington Mine | Arco Custer ID | Crushed, Broken Limestone NEC | View Details > |
| Dean Quarry | Custer SD | Feldspar | View Details > |
| Debra J | Custer SD | Feldspar | View Details > |
| Diggins | Custer SD | Feldspar | View Details > |