On the way from Denver, CO to Mt. Rushmore, about 35 miles north of Cheyenne, WY on I-25 is the town of Chugwater, population about 244.
"The Chugwater Soda Fountain is Wyomings oldest and still operating Soda Fountain. We make sodas the way they did at the turn of the century. Sodas, shakes, malts and great tasting soda fountain drinks in a variety of flavors." http://www.chugwatersodafountain.com/
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