The "Copper Queen Library" and "Bisbee Post Office ". The building which both the library and the post office share was the original location of a corner grocery. The post office was established in 1900 and the library in 1907. They are located in 4-6 Main Street, Bisbee, Az. It is listed in the National Register of Historic Places in July 3, 1980, as part of the Bisbee Historic District, reference #80004487.