Vulcan Island is a island located in San Joaquin County, California. It appears on the Holt USGS 7.5-minute topographic quadrangle. The nearest populated place is Country Club, approximately 3.8 miles to the ESE.
San Joaquin County · California
Vulcan Island is a island located in San Joaquin County, California. It appears on the Holt USGS 7.5-minute topographic quadrangle. The nearest populated place is Country Club, approximately 3.8 miles to the ESE.