Geologic map of the Tohono O'odham Indian Nation, southern Arizona
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IMAP↗
Geology topics
H. M. Beikman
Publications and source records attributed to H. M. Beikman.
Geologic map of the Zwedru Quadrangle, Liberia
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IMAP↗
Geology, structure, and uranium deposits of the Shiprock Quadrangle, New Mexico and Arizona
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IMAP↗
Map of Mississippi showing oil and gas fields, unsuccessful test wells, salt domes, and pipelines
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Oil and Gas Investigation Map↗