Union City, MI Mines
Mines in Union City, Michigan
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Peerless Prtlnd Cmnt Co Shale Pit | Private | Clays | ||
| Turtle Lake Pit | Private | Sand and Gravel | ||
| William Case Marl Pit | Unknown | Calcium |
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Peerless Prtlnd Cmnt Co Shale Pit | Private | Clays | ||
| Turtle Lake Pit | Private | Sand and Gravel | ||
| William Case Marl Pit | Unknown | Calcium |