01495nem 2200445 450 991071331360332120200410135648.0(CKB)5470000002500511(OCoLC)1149925651(EXLCZ)99547000000250051120200410d1982 ua enga|||||||||||||||||||||dur|||||||||||crirdacontentcrdamediacrrdacarrierPotentiometric-surface map of water in the Eagle Sandstone and equivalent units in the northern Great Plains area of Montana /by Gary W. Levings[Reston, Va.] :Department of the Interior, United States Geological Survey,1982.1 online resource (1 map)Open-file report ;82-565Relief shown by contours and spot heights.Includes text and location map.Includes bibliographical references.GroundwaterMontanaMapsGroundwaterfastMontanafastMaps.fastMaps.lcgftGroundwaterGroundwater.Levings Gary W.GPOGPOBOOK9910713313603321Potentiometric-surface map of water in the Eagle Sandstone and equivalent units in the northern Great Plains area of Montana3349527UNINA