01617oam 2200469 450 991070997920332120180823090904.0(CKB)5470000002474472(OCoLC)965753593(OCoLC)953291212(OCoLC)995470000002474472(EXLCZ)99547000000247447220161210d1964 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierA magnetic anomaly of possible economic significance in southeastern Minnesota /by Isadore Zietz; prepared in cooperation with the Minnesota Geological SurveyWashington, D.C. :United States Department of the Interior, Geological Survey,1964.1 online resource (5 pages) mapsGeological Survey circular ;489.Includes bibliographical references (page 1).Magnetic anomaliesMinnesotaMagnetic anomaliesfastFillmore County (Minn.)MinnesotafastMinnesotaFillmore CountyfastMagnetic anomaliesMagnetic anomalies.Zietz Isidore1919-1416330Geological Survey (U.S.),Minnesota Geological Survey.OCLCEOCLCEOCLCQCOPOCLCAGPOBOOK9910709979203321A magnetic anomaly of possible economic significance in southeastern Minnesota3521338UNINA