Statements (24)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:wetlands | 
| gptkbp:area | about 20,000 acres | 
| gptkbp:country | gptkb:United_States | 
| gptkbp:ecosystem | gptkb:wetlands | 
| gptkbp:extendsTo | gptkb:Essex gptkb:Gloucester gptkb:Ipswich gptkb:Newburyport gptkb:Rowley gptkb:West_Newbury gptkb:Amesbury gptkb:Salisbury | 
| gptkbp:habitat | gptkb:fish migratory birds shellfish | 
| gptkbp:location | gptkb:Massachusetts | 
| gptkbp:notableFor | biodiversity birdwatching | 
| gptkbp:partOf | gptkb:Essex_County | 
| gptkbp:protectedArea | yes | 
| gptkbp:recognizedBy | Ramsar Convention | 
| gptkbp:bfsParent | gptkb:Indiana_Dunes_National_Park | 
| gptkbp:bfsLayer | 5 | 
| https://www.w3.org/2000/01/rdf-schema#label | Great Marsh |