Blackhawk is a populated place located in Contra Costa County, California. It appears on the Diablo USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 997.38 feet (304.00 m) above sea level.
Contra Costa County · California
Blackhawk is a populated place located in Contra Costa County, California. It appears on the Diablo USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 997.38 feet (304.00 m) above sea level.