| Feature Name: | Blackwater River Marshes
|
| Feature Type: | swamp
|
| State: | Massachusetts
|
| County: | Essex
|
| County Population: | 723419
|
| County Housing Units: | 287144
|
| County Size: | 500.67 Square Miles
|
| Latitude: | 42.85667
|
| Longitude: | -70.82833
|
| Map Cell Name: | Newburyport East
|
| Geographic Keywords: | Blackwater,
Marshes
|
|
|