Maple Valley, WA Mines
Mines in Maple Valley, Washington
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Black River Quarry Inc. | Sand and Gravel | |||
| Covington Pit - Iddings Farm Svce | Sand and Gravel | |||
| E-Z Pit | Sand and Gravel | |||
| Unnamed Pit | Western Sand And Gravel Co. | Sand and Gravel | ||
| Unnamed Pit | Department Of Highways | Sand and Gravel |