See Bristol
"Girt Round by Rugged Mountains"
Take a look at this Bristol Chamber of Commerce brochure about Bristol.
There isn't a date on it, but it does refer to good roads and well equipped garages, so maybe from the 1920's (just a guess) trying to attract tourists.
(Click on each page to see larger images)
Post Cards of Bristol
Bristol Memorabilia
Also, look at Bristol Memories for more Bristol Information