Keystone Ravine is a valley located in Nevada County, California. It appears on the Oregon House USGS 7.5-minute topographic quadrangle. The nearest populated place is Mooney Flat, approximately 2.9 miles to the SSW.
Nevada County · California
Keystone Ravine is a valley located in Nevada County, California. It appears on the Oregon House USGS 7.5-minute topographic quadrangle. The nearest populated place is Mooney Flat, approximately 2.9 miles to the SSW.