01833oem 2200565 450 991071331890332120200420115435.0(CKB)5470000002500458(OCoLC)963251449(EXLCZ)99547000000250045820161118d1982 ua engb|||||||||||||||||||||durcn|||||||||crirdacontentcrdamediacrrdacarrierMap showing altitude of the top of the "Dakota Sandstone," Montana /by R.D. FeltisWashington, D.C. :U.S. Department of the Interior, Geological Survey,1982.Lakewood, Colorado :Open-File Services Section, Western Distribution Branch, USGS.1 online resource (1 map)Water-resources investigations report ;82-4036Relief shown by contours and spot heights.Includes bibliographical references, text, and location map.AquifersMontanaMapsGeology, StratigraphicCretaceousMapsAquifersfastCretaceous Geologic PeriodfastGeology, StratigraphicfastMontanafastMaps.fastMaps.lcgftAquifersGeology, StratigraphicAquifers.Cretaceous Geologic Period.Geology, Stratigraphic.Feltis R. D(Richard D.),1930-COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713318903321Map showing altitude of the top of the "Dakota Sandstone," Montana3349580UNINA