1. Geologic map of the Narragansett Pier quadrangle, Rhode Island bedrock geology / [cartographic material] Yale Public content 1956. 2011-04-19T17:41:29Z. 2012-02-14T23:29:15Z. Nichols, David R. (David Ryden), 1930-. U.S. Geological Survey. English. Public. Rhode Island, Washington County, and Newport County.