Hadley Dam Reservoir is a reservoir located in Mercer County, Pennsylvania. It appears on the Greenville East USGS 7.5-minute topographic quadrangle. The nearest populated place is Petersburg, approximately 1.0 miles to the N.
Mercer County · Pennsylvania
Hadley Dam Reservoir is a reservoir located in Mercer County, Pennsylvania. It appears on the Greenville East USGS 7.5-minute topographic quadrangle. The nearest populated place is Petersburg, approximately 1.0 miles to the N.