Mill Canyon is a valley located in Pima County, Arizona. It appears on the Helvetia USGS 7.5-minute topographic quadrangle. The nearest populated place is Greaterville, approximately 2.6 miles to the SSE.
Pima County · Arizona
Mill Canyon is a valley located in Pima County, Arizona. It appears on the Helvetia USGS 7.5-minute topographic quadrangle. The nearest populated place is Greaterville, approximately 2.6 miles to the SSE.