1931 Lithographed Diamond Motor Oil road map (U. S. and Michigan). - $35 (west of Ann Arbor)

1931 Lithographed Diamond Motor Oil road map (U. S. and Michigan). 1

1931 Lithographed Diamond Motor Oil road map (U. S. and Michigan). 1 thumbnail

condition: good

make / manufacturer: H. M. Gousha

model name / number: Diamond Motor Oil

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Yes, the gas station attendant’s smiling face on the front is a bit creepy, but it contributes to the uniqueness of the map.

H.M. Gousha lithographed the map in Chicago.

Inside, there are two Michigan radio logs with all the station call numbers of 1931, which have since changed.
Also, there is 1930 census information.

The Michigan side of the map would be great for framing, since this was a long time before interstate highways and the Mackinac Bridge were built.

Note that in the UP, the Central Time Zone started soon after you crossed over, close to Newberry.

In spite of this map being 95 years old, it looks like it was rarely, if ever, used and is in excellent shape.

post id: 7914711222

posted: 2026-02-12 12:54

updated: 2026-03-03 06:22

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1931 Lithographed Diamond Motor Oil road map (U. S. and Michigan). -...

Yes, the gas station attendant’s smiling face on the front is a bit creepy, but it contributes to the uniqueness of the map. H.M. Gousha lithographed the map in Chicago. Inside, there are two...