Calvins Marsh Reservoir is a reservoir located in Mahoning County, Ohio. It appears on the Columbiana USGS 7.5-minute topographic quadrangle. The nearest populated place is Paradise, approximately 0.9 miles to the WSW.
Mahoning County · Ohio
Calvins Marsh Reservoir is a reservoir located in Mahoning County, Ohio. It appears on the Columbiana USGS 7.5-minute topographic quadrangle. The nearest populated place is Paradise, approximately 0.9 miles to the WSW.