1. Geologic map of the Providence quadrangle, Rhode Island bedrock geology / [cartographic material]
1959. 2011-04-28T17:48:21Z. 2017-07-04T21:17:04Z. Quinn, Alonzo W. (Alonzo Wallace), 1899-1977. U.S. Geological Survey. English. Public. Rhode Island and Providence County.
