Plum Island River Marshes is a swamp located in Essex County, Massachusetts. It appears on the Newburyport East USGS 7.5-minute topographic quadrangle. The nearest populated place is Pine Island, approximately 0.2 miles to the WNW.
Essex County · Massachusetts
Plum Island River Marshes is a swamp located in Essex County, Massachusetts. It appears on the Newburyport East USGS 7.5-minute topographic quadrangle. The nearest populated place is Pine Island, approximately 0.2 miles to the WNW.