May 1923 saw some five hundred buildings under construction in Shelby, according to the Great Falls Tribune. “Main Street resembles a freight yard, [with] lumber and material being strewn about,” it reported. The cause of the boom? The upcoming 1923…

At least three generations of motorists have depended upon the courteous, reliable service provided by this longtime Shelby landmark, designed by Continental Oil Company Conoco architects and built in 1936. As an adaptation of the competing Pure Oil…