Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Boston Bay Group  | |
|---|---|
| RT | Cambridge Argillite | 
| Lower Cambrian | |
| Massachusetts | |
| Neoproterozoic | |
| Roxbury Conglomerate | |
| SN | E Massachusetts. Previously thought to be Devonian or Carboniferous in age. Indexed with ages as applicable. Added to Thesaurus in 1989. |