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Showing 1 to 2 of 2 for “"Paleozoic era"”.
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The structural and stratigraphic relationships in the Paleozoic rocks of eastern North Dakota
… and areal extent of the commonly defined Paleozoic rock units in eastern North Dakota has been determined by a study of mechanical well logs. Isopachous wops of these units reveal several positive areas which persisted and influenced sedimentation and unit thickness throughout most of the …