Dingman, Robert J. 1921-2016 Geology and ground-water resources of the Pica area Tarapaca province, Chile / by Robert J. Dingman and Carlos Galli O. -- Washington : United States Government Printing Office, 1965 - 113 p. + map. -- (Geological Survey Bulletin ; 1189). Subjects--Topical Terms: GeologíaTarapaca ( Chile ) Universal Decimal Class. No.: 55(835.12)