Johnston, IA Mines
Mines in Johnston, Iowa
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Des Moines North Pit & Plant | Martin Marietta Aggregates Co. | Private | Sand and Gravel | |
| Drill Hole | Zinc | |||
| Johnston Pit & Plant | Hallett Construction Co. | Private | Sand and Gravel | |
| L. J. Peters Pit | Peters Construction Co. | Sand and Gravel | ||
| Unknown | Sand and Gravel |