Image from 1947 Lusk High School yearbook:

There are undoubtedly people in every state in the Union that have been served tempting meals in the modern X-L CAFE. Lusk is one of the "crossroads of the West," and tourists are no novelty on our streets. Norvada Wilson also serves fine food to many regular customers among Lusk's growing population.
Mr. and Mrs. Warren Eversull own and operate the X-L.

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XL Cafe was also operated by Bill & Judy Henritze, Lester Palmer, manager

Louise Bowman was the proprietor of the XL Cafe, 5/7/1931