Subject: Geomagnetism / Spatial Coverage: Great Plains / Year: 1968 - Yale University Library GeoBlacklight Search Results

Start Over Subject Geomagnetism Spatial Coverage Great Plains Year 1968

1. Transcontinental geophysical survey (35°-39°N) magnetic map from 100° to 112° W longitude / [cartographic material]

1968. 2012-10-10T13:43:42Z. 2013-03-18T22:22:41Z. Zietz, Isidore, 1919-. Dept. of the Interior, U.S. Geological Survey. English. Public. Great Plains and West (U.S.).

2. Transcontinental geophysical survey (35°-39°N) magnetic map from 87° to 100° W longitude / [cartographic material]

1968. 2012-10-10T13:48:26Z. 2013-03-18T22:22:41Z. Zietz, Isidore, 1919-. Dept. of the Interior, U.S. Geological Survey. English. Public. Middle West and Great Plains.

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