Subject: Geomagnetism / Language: English - Yale University Library GeoBlacklight Search Results

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271. Vertical-intensity magnetic map of South Dakota : ground magnetometer survey

1967. 2018-05-11T20:00:51Z. 2018-05-11T20:00:51Z. Petsch, Bruno C. (Bruno Carl), 1901-1981. South Dakota Geological Survey. English. cartographic image. Public. South Dakota and South Dakota.

272. Wisconsin potential field grids, derivative maps, and tectonic interpretations [electronic resource]

2003. 2004-02-19T20:14:59Z. 2011-03-03T23:27:19Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by USGS Information Services. English. Public. Wisconsin.