Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Plum Island  | |
|---|---|
| RT | Essex County Massachusetts | 
| Massachusetts | |
| New York | |
| Suffolk County New York | |
| SN | E Essex County, NE Massachusetts, bordering the Atlantic Ocean. Also in Suffolk County, SE New York. Indexed with states and counties as applicable. Added to Thesaurus in 1989. |