1961 ENCO HUMBLE OIL Road Map MONTANA Northwestern United States Yellowstone

Description

Handsome fold-out 1961 Enco road map of Montana and the northwestern United States, printed more than 55 years ago.
This map opens to 18" x 34½" and has great detail on old highway alignments, with cartography by H.M. Gousha.
The state of Montana is on one side, with inset plans of the Black Hills region and Glacier, Grand Teton, and Yellowstone National Parks.
On the other side there there are highway maps of the northwestern United States and the entire transcontinental United States.
The map was distributed by the Humble Oil & Refining Company to promote its Enco brand. It is dated 1961 in the legend, and the code number in the lower margin is 10-II.
Condition:
There are a few tiny scuffs, the paper has stiffened slightly, and the top fold has started to split. Otherwise, the map is in very good condition, bright and clean, with
no
marks or writing. Please see the scans and feel free to ask any questions.
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