Hillsboro, OR Mines
Mines in Hillsboro, Oregon
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Aloha Quarry Quality Rock Plant #1 | Karban Rock, Inc. | Private | Stone, Crushed | |
| Aloha Quarry/Quality Rock # 1 | Karban Rock, Inc. | Stone | ||
| Bauxite Tualatin Mountains | Aluminum Iron Titanium |
|||
| Clay Mine | Chappell Transportation, Inc | Clays | ||
| Farmington Pit | Stone | |||
| Farmington Quarry | Baker Rock Crushing Co. | Stone | ||
| Farmington Quarry | Baker Rock Crushing Co. | Private | Stone, Crushed | |
| Hillsboro | Private | PGE | ||
| Hillsboro Platinum Occurrence | PGE | |||
| Hoyt Quarry | Multnomah County Public Works Department | Stone | ||
| John Mathews | Stone | |||
| John Mathews | Private | Stone, Crushed | ||
| Krueger Quarry | Oregon State Highway Department | Stone | ||
| Krueger Quarry | Oregon State Highway Department | State | Stone, Crushed | |
| Multnomah County | Multnomah County Public Works Department | County | Stone, Crushed | |
| Rock Creek | Washington County | Stone | ||
| Rock Creek Quarry | Washington County | County | Stone | |
| Tualatin Mountains Bauxite | Aluminum Iron Titanium |
|||
| Unnamed Multnomah County Quarry | Unknown | Stone, Crushed | ||
| Unnamed Pit | Chappell Transportation, Inc. | Clays | ||
| Vandecoevering | Stone | |||
| Vandecoevering | Private | Stone |