Keystone Tank is a reservoir located in Pima County, Arizona. It appears on the Samaniego Peak USGS 7.5-minute topographic quadrangle. The nearest populated place is Diamond Bell Ranch, approximately 7.5 miles to the NNW.
Pima County · Arizona
Keystone Tank is a reservoir located in Pima County, Arizona. It appears on the Samaniego Peak USGS 7.5-minute topographic quadrangle. The nearest populated place is Diamond Bell Ranch, approximately 7.5 miles to the NNW.