Aggregate, Light Weight Mines
25Total Sites
2Active
Top States
| State | Sites |
|---|---|
| Idaho | 10 |
| Montana | 8 |
| Utah | 3 |
| North Dakota | 2 |
| Mississippi | 1 |
| Arkansas | 1 |
Notable Sites
| Mine | State | County | Status |
|---|---|---|---|
| Scoria Pit | North Dakota | Slope | Producer |
| Unnamed Prospect | North Dakota | McKenzie | Producer |
| Black Point South Pit | Utah | Utah | Past Producer |
| Clay Deposit Near Christophsen Ranch | Montana | Powell | Occurrence |
| Clay Deposit Near Miles Crossing | Montana | Silver Bow | Occurrence |
| Jackson, Mississippi - Light Weight Aggregrate | Mississippi | Hinds | Past Producer |
| Moonshine | Idaho | Washington | Past Producer |
| Rescolite Company | Arkansas | Sebastian | Past Producer |
| Rock Quarry Crooked Fork | Idaho | Clearwater | Past Producer |
| Rock Quarry Kelly Forks Station | Idaho | Clearwater | Past Producer |
| Rock Quarry Moodoo Pass | Idaho | Clearwater | Past Producer |
| Site C Gravel Pit | Montana | Carter | Past Producer |
| Site D Gravel Deposit | Montana | Carter | Occurrence |
| Site E Gravel Deposit | Montana | Carter | Occurrence |
| Site H Gravel Deposit | Montana | Carter | Occurrence |
| Site I Gravel Deposit | Montana | Carter | Occurrence |
| Site K Gravel Deposit | Montana | Carter | Occurrence |
| Switchback | Idaho | Adams | Past Producer |
| Unknown | Idaho | Washington | Past Producer |
| Unknown | Idaho | Washington | Past Producer |
| Unknown | Idaho | Washington | Past Producer |
| W.h. Prince And Sons Pit | Utah | Utah | Past Producer |
| West Branch | Idaho | Adams | Past Producer |
| White Knoll Pit | Utah | Utah | Past Producer |
| Yantis Ditch | Idaho | Adams | Past Producer |