Blackwater 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 Cushing, approximately 1.1 miles to the SSE.
Essex County · Massachusetts
Blackwater 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 Cushing, approximately 1.1 miles to the SSE.