These are a list of 285 mines in Armstrong.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| Cannel No 1 | Mahoning Township Armstrong PA | Coal (Bituminous) | View Details > |
| Carroll Strips No 1 | Armstrong PA | Coal (Bituminous) | View Details > |
| Casella Ug | Armstrong PA | Coal (Bituminous) | View Details > |
| Cherry Run No 1 | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Claypool Mine | Armstrong PA | Coal (Bituminous) | View Details > |
| Cleaning Plant | Avonmore Armstrong PA | Coal (Bituminous) | View Details > |
| Clementine Mine | Freeport Armstrong PA | Coal (Bituminous) | View Details > |
| Clementine Mine #1 | Clinton Armstrong PA | Coal (Bituminous) | View Details > |
| Clever Strip | Armstrong PA | Coal (Bituminous) | View Details > |
| Clinton | Freeport Armstrong PA | Coal (Bituminous) | View Details > |
| Clinton Mine | Clinton Armstrong PA | Coal (Bituminous) | View Details > |
| Cochran & Keller Mine | Whitesburg Armstrong PA | Coal (Bituminous) | View Details > |
| Coleman Mine | Spring Church Armstrong PA | Crushed, Broken Sandstone | View Details > |
| Colwell Loading Dock & Crusher | Mahoning Township Armstrong PA | Coal (Bituminous) | View Details > |
| Colwell Tipple | Distant Armstrong PA | Coal (Bituminous) | View Details > |
| CONTINENTAL CLAY CO. | Armstrong PA | Clay, Ceramic, Refractory Mnls. | View Details > |
| Cornman Mine | Pine Furnace Armstrong PA | Coal (Bituminous) | View Details > |
| Cowansville Shop | Cowansville Armstrong PA | Crushed, Broken Limestone NEC | View Details > |
| Darmac #1 | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Darmac No. 2 Mine | Shelocta Armstrong PA | Coal (Bituminous) | View Details > |
| Darmac No. 3 | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Darmac Strips | Kittanning Armstrong PA | Coal (Bituminous) | View Details > |
| David | Maysville Armstrong PA | Coal (Bituminous) | View Details > |
| Davis Strips | Brick Church Armstrong PA | Coal (Bituminous) | View Details > |
| Daybrook Strip | Dayton Armstrong PA | Coal (Bituminous) | View Details > |
| Dayton Strip | Armstrong PA | Coal (Bituminous) | View Details > |
| Decker No 5 Mine | Armstrong PA | Coal (Bituminous) | View Details > |
| Decker Tipple | Armstrong PA | Coal (Bituminous) | View Details > |
| Dianne Mine | Maysville Armstrong PA | Coal (Bituminous) | View Details > |
| Distant Deep Mine | New Bethlehem Armstrong PA | Coal (Bituminous) | View Details > |
| Doug #3 | Ford City Armstrong PA | Coal (Bituminous) | View Details > |
| Doug #3 | Dayton Armstrong PA | Coal (Bituminous) | View Details > |
| Doverspike Strip | Mayport Armstrong PA | Coal (Bituminous) | View Details > |
| Drexel Mine & Mill | Armstrong PA | Fire Clay | View Details > |
| Dutch Run | Shelocta Armstrong PA | Coal (Bituminous) | View Details > |
| Dutch Run Coal Preparation Plant | Shelocta Armstrong PA | Coal (Bituminous) | View Details > |
| Dutch Run Strip's | Girty Armstrong PA | Coal (Bituminous) | View Details > |
| Eagle No 1 Strip | Rayburn Township Armstrong PA | Coal (Bituminous) | View Details > |
| East Brady Strip | Armstrong PA | Coal (Bituminous) | View Details > |
| East Run Coal Co 2 | Cowansville Armstrong PA | Coal (Bituminous) | View Details > |
| Echo Strip | Echo Armstrong PA | Coal (Bituminous) | View Details > |
| Elders Ridge | Elders Ridge Armstrong PA | Coal (Bituminous) | View Details > |
| Elkin Mine No 1 | Oscar Armstrong PA | Coal (Bituminous) | View Details > |
| Emilie No 1 Mine | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Emilie No 4 Mine | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Erdley Bros Strip | Center Hill Armstrong PA | Coal (Bituminous) | View Details > |
| F N R #3 | Brick Church Armstrong PA | Coal (Bituminous) | View Details > |
| Falls Creek Auger Crew - 1 | Spring Church Armstrong PA | Coal (Bituminous) | View Details > |
| Falls Creek Auger Crew - 2 | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Farster Mine #1 | Boggs Township Armstrong PA | Coal (Bituminous) | View Details > |