Narragansett Pier Granite  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Paleozoic
 ...upper Paleozoic
 ....Narragansett Pier Granite
RTPermian
 Pennsylvanian
 New York
 Connecticut
 Rhode Island
SNE Connecticut, NE New York and S Rhode Island. Indexed with ages as applicable. Added to Thesaurus in 1989.