These are a list of 57 mines in UNKNOWN.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| SOUTH PORT GRAVEL & STONE | Unknown Chemung NY | Construction Sand and Gravel | View Details > |
| St Cloud | unknown Stearns MN | Crushed, Broken Granite | View Details > |
| STEPHAN PIT #3 | unknown Oneida NY | Construction Sand and Gravel | View Details > |
| THOMAS SANDPIT-BACKHOE SERVICE | Unknown Jefferson NY | Construction Sand and Gravel | View Details > |
| THOMPSON FARMS SAND PIT | unknown Jefferson NY | Construction Sand and Gravel | View Details > |
| WEHRLE QUARRY | unknown Erie NY | Crushed, Broken Limestone NEC | View Details > |
| WICKHAM PIT | Unknown Schuyler NY | Construction Sand and Gravel | View Details > |