Studebaker touring cars on the Rubicon Trail in the 1920s.

Some of the photos of the Studebakers show that they are lettered for the Auburn Chamber of Commerce.

The Rubicon Trail was “promoted as the best route from Georgetown to Lake Tahoe.” Interestingly, the county also says that the first automobile to visit Rubicon Springs did so in 1908, a woman from Lake Tahoe driving a Mitchell touring.

https://rubiconsprings.com/history/

https://forum.studebakerdriversclub.com/forum/your-studebaker-forum/general-studebaker-specific-discussion/97081-on-the-rubicon-trail

https://www.hemmings.com/stories/2020/03/27/were-there-really-studebaker-touring-cars-on-the-rubicon-trail-in-the-1920s