Stewartville, California
| Stewartville | |
|---|---|
| Unincorporated community | |
 Stewartville
Stewartville
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| Coordinates: 37°56′47″N 121°50′55″W / 37.94639°N 121.84861°W | |
| Country | United States |
| State | California |
| County | Contra Costa County |
| Elevation | 558 ft (170 m) |
Coordinates: 37°56′47″N 121°50′55″W / 37.94639°N 121.84861°W
Stewartville was an unincorporated place in eastern Contra Costa County, California that is now a ghost town. It was located 6 miles (10 km) northeast of Mount Diablo, at an elevation of 558 feet (170 m). It was a mining town for the nearby coal mines.
A post office operated at Stewartville from 1882 to 1902. The place was named for William Stewart, coal mine owner.
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