Preliminary bedrock geologic map of the Newport and Prudence Island quadrangles and part of the Sakonnet Point Quadrangle, Rhode Island
January 1, 1975
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
