1. Geologic map of the East Greenwich quadrangle, Rhode Island bedrock geology / [cartographic material] Yale Public content 1952. 2011-11-29T16:49:08Z. 2017-07-04T21:06:02Z. Quinn, Alonzo W. (Alonzo Wallace), 1899-1977. U.S. Geological Survey. English. Public. Rhode Island, Kent County, Washington County, and U.S.