The Thermopolis Main Post Office in Thermopolis, Wyoming was built as part of a facilities improvement program by the United States Post Office Department. The post office in Thermopolis was nominated to the National Register of Historic Places as part of a thematic study comprising twelve Wyoming post offices built to standardized USPO plans in the early twentieth century.
References
External links at the National Park Service's NRHP database Thermopolis Main Post Office at the Wyoming State Historic Preservation Office