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Description
Detailed map of the Oil Fields in Wyoming, showing a number of oil fields located with circles.
The map was issued by Clason for The Heaton Oil and Refining Company of Denver, Colorado, with a list of 8 properties, totallying 5,280 acres, under Heaton's control which include proven reserves.
This map is a fascinating pairing with a variant edition of this map issued by the Wyoming Oil News in 1918: /gallery/detail/29339