01545nam 2200397Ia 450 991069872500332120090423121654.0(CKB)5470000002396608(OCoLC)319061567(EXLCZ)99547000000239660820090423d1992 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierCatalog of pre-Cretaceous geologic drill-hole data from the Upper Mississippi Embayment[electronic resource] a revision and update of Open-file report 90-260 /compiled by Richard L. DartDenver, Colo. :U.S. Dept. of the Interior, U.S. Geological Survey,1992.i, 253 pages map ;28 cmOpen-file report ;92-685Title from title screen (viewed Apr. 23, 2009).Includes bibliographical references (pages 3-4).Catalog of pre-Cretaceous geologic drill-hole data from the Upper Mississippi Embayment BoringsMississippi EmbaymentCatalogsGeology, StratigraphicMesozoicCatalogsCatalogs.lcgftBoringsGeology, StratigraphicDart R. L(Richard L.)1395308Geological Survey (U.S.)GPOGPOBOOK9910698725003321Catalog of pre-Cretaceous geologic drill-hole data from the Upper Mississippi Embayment3453592UNINA