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Preliminary interpretation of an aeromagnetic survey in central and southwestern Iowa
John Richard Henderson, Isidore Zietz, Walter S. White
1963, Open-File Report 63-46
The U. S. Geological Survey made a 10,000 square mile aeromagnetic survey of central and southwestern Iowa in mid-1962. This work, done in cooperation with the Iowa Geological Survey, completed magnetic coverage for the approximately 220 mile section of the "midcontinent gravity high" located in Iowa....