These are a list of 285 mines in Armstrong.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| Kiski #2 | Apollo Armstrong PA | Coal (Bituminous) | View Details > |
| Kiski #1 | Bruin Armstrong PA | Coal (Bituminous) | View Details > |
| Kittanning Coal | Adrian Armstrong PA | Coal (Bituminous) | View Details > |
| Kittanning Coal Company Incorporated | Armstrong PA | Coal (Bituminous) | View Details > |
| KITTANNING PLANT | Kittanning Armstrong PA | Misc. Nonmetallic Mnls. NEC | View Details > |
| Kunkle Strip | Armstrong PA | Coal (Bituminous) | View Details > |
| L & E Strips | Kittanning Township Armstrong PA | Coal (Bituminous) | View Details > |
| Leechburg Mine | Brownstown Armstrong PA | Coal (Bituminous) | View Details > |
| Leechburg Site, Foster No 65 | Apollo Armstrong PA | Coal (Bituminous) | View Details > |
| Lenape Strip | Kittanning Armstrong PA | Coal (Bituminous) | View Details > |
| Logan Clay Products Company | Armstrong PA | Fire Clay | View Details > |
| Logansport Mine | Logansport Armstrong PA | Coal (Bituminous) | View Details > |
| Logansport Preparation Plant | Ford City Armstrong PA | Coal (Bituminous) | View Details > |
| Long Run | Worthington Armstrong PA | Coal (Bituminous) | View Details > |
| Long-Griffith-Matthews Strip | Armstrong PA | Coal (Bituminous) | View Details > |
| Loyal Creek #4 | Burrell Township Armstrong PA | Coal (Bituminous) | View Details > |
| Lynn Cravat Tipple | Armstrong Mills Belmont OH | Coal (Bituminous) | View Details > |
| M & M Lime Company Incorporated | Worthington Armstrong PA | Crushed, Broken Limestone NEC | View Details > |
| M & M Strip | Armstrong PA | Coal (Bituminous) | View Details > |
| M And C Strips | Shea Armstrong PA | Coal (Bituminous) | View Details > |
| M&M Lime Surface | Worthington Armstrong PA | Crushed, Broken Limestone NEC | View Details > |
| Mahoning Creek #2 | Templeton Armstrong PA | Coal (Bituminous) | View Details > |
| Mahoning Creek Strips | Armstrong PA | Coal (Bituminous) | View Details > |
| Mahoning Creek Surface Mine | Templeton Armstrong PA | Coal (Bituminous) | View Details > |
| Mahoning Creek Ug | Armstrong PA | Coal (Bituminous) | View Details > |
| Maintenance Shop | KITTANNING Armstrong PA | Coal (Bituminous) | View Details > |
| Mannion Mine | Kittanning Armstrong PA | View Details > | |
| MANOR MINERALS QUARRY & MILL | Armstrong PA | Crushed, Broken Limestone NEC | View Details > |
| Maple Preparation Plant | Elkridge, Armstrong Creek Fayette WV | Coal (Bituminous) | View Details > |
| Margaret No 11 | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Margaret No 11 Mine | Elderton Armstrong PA | Coal (Bituminous) | View Details > |
| Margaret No 7 Mine | Armstrong PA | Coal (Bituminous) | View Details > |
| Margaret Refuse Reprocessing Plant | Armstrong PA | Coal (Bituminous) | View Details > |
| Markle Prep Plant | Redbank Township Armstrong PA | Coal (Bituminous) | View Details > |
| Markle-Bullers Strip Mine | Armstrong PA | Coal (Bituminous) | View Details > |
| Marks Strip | Armstrong PA | Coal (Bituminous) | View Details > |
| Marquise Strips | Avonmore Armstrong PA | Coal (Bituminous) | View Details > |
| Martin Strips | Boggs Township Armstrong PA | Coal (Bituminous) | View Details > |
| Maysville Coal Co Inc | Maysville Armstrong PA | Coal (Bituminous) | View Details > |
| Mc Collim Mine | Armstrong PA | Coal (Bituminous) | View Details > |
| Mc Intire Strip | Idaho Armstrong PA | Coal (Bituminous) | View Details > |
| Mc Ville Prep Plant | Freeport Armstrong PA | Coal (Bituminous) | View Details > |
| Mccollim Strip | Brick Church Armstrong PA | Coal (Bituminous) | View Details > |
| Mckay Strip | Madison Township Armstrong PA | Coal (Bituminous) | View Details > |
| Mill Run Strip | Kittanning Armstrong PA | Coal (Bituminous) | View Details > |
| Mole No 1 Mine | Bradys Bend Armstrong PA | Coal (Bituminous) | View Details > |
| Morgan Strip | Kiskiminetas Twp Armstrong PA | Coal (Bituminous) | View Details > |
| Mrc #1 | Girty Armstrong PA | Coal (Bituminous) | View Details > |
| MT. TABOR MINE | REDBANK TOWNSHIP Armstrong PA | Coal (Bituminous) | View Details > |
| Murphy'S Bottom Land Plant | Armstrong PA | Construction Sand and Gravel | View Details > |