1. Surficial geologic map of the Mystic quadrangle, Connecticut, New York, and Rhode Island [cartographic material] Yale Public content 1971. 2012-03-15T14:53:21Z. 2012-03-27T23:59:25Z. Upson, J. E. (Joseph Edwin), 1910-. U.S. Geological Survey. English. Public. Connecticut, New London County, New York (State), Suffolk County, Rhode Island, and Washington County.