Snyder, George L. 1927- Petrochemistry and bedrock geology of the Fitchville quadrangle Connecticut / by George L. Snyder. -- Washington : United States Government Printing Office, 1964 - 64 p. + map. -- (Geological Survey Bulletin ; 1161-I). Subjects--Topical Terms: ConnecticutGeoquímicaPetrología Universal Decimal Class. No.: 552(746) ; 550.4(746)