Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en North River bluestone300011389bluestone, North RiverNorth River blue-stone A dark bluish gray sandstone quarried on the west side of the Catskill Mountains near the Delaware River (formerly North River) in New York. In the 19th century, North River bluestone was used for sidewalks and curbs. pedra blava de north river piedra azul del North River 2026-03-30 21:09:28