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Uranium in Carbonaceous rocks in the townsend and Helena Valleys Montana / by George E. Becraft.

By: Becraft, George E, 1922-.
Material type: materialTypeLabelBookSeries: Geological Survey Bulletin; 1046-G.Publisher: Washington : United States Government Printing Office, 1958Description: P. 149-164 + map. --.Content type: Texto (visual) Media type: sin mediación Subject(s): Montana | Yacimientos de Uranio
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