Operating efficiencies of package sewage plants on St. Thomas, V.I.   Creator:   Grigg, David I. Shatrosky, Eileen L. VanEepoel, Robert P. Publisher:   Caribbean Research Institute, College of the Virgin Islands ( St. Thomas, U.S. Virgin Islands ) Publication Date:   1971 Type:   serial Format:   [46] l. : ill. ; 28 cm Source Institution:   University of Virgin Islands Holding Location:   University of Virgin Islands Subject Keyword:   Sewage disposal -- United States Virgin Islands Genre:   serial (sobekcm) Language:   English Operating efficiencies of package sewage plants on St. Thomas, V.I.