BELL, Henry Geology of the Flint hill Quadrangle, fall river county, South Dakota / by Henry Bell and Edwin V. Post. -- Washington : United States Government Printing Office, 1971 - P. 505-586 + map. -- (Geological Survey Bulletin ; 1063-M). Subjects--Topical Terms: Dakota del SurYacimientos de Uranio Universal Decimal Class. No.: 553.495(783)