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Google Analytics Dashboard for Geologic map of Tertiary and uppermost Cretaceous rocks showing structure contours, oil and gas fields, dry holes, and mines in the southern part of Powder River basin, Converse, Niobrara, and Natrona Counties, Wyoming

Geologic map of Tertiary and uppermost Cretaceous rocks showing structure contours, oil and gas fields, dry holes, and mines in the southern part of Powder River basin, Converse, Niobrara, and Natrona Counties, Wyoming

URI: https://pubs.usgs.gov/publication/ofr7288

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