Oil and gas investigations, preliminary maps. 107. Map of Wyoming showing test wells for oil and gas, anticlinal axes, oil and gas fields, pipe lines, unit areas, and land district boundaries; compiled by Eleanor K. Keefer, J. D. Love, R. M. Larsen, and Maxine W. Allen. Scale 10 m.=1.3 in., scale 1:500,000. n. p.

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