The 20-stall standard-gauge roundhouse was constructed in 1900, east of the narrow-gauge roundhouse. In this photograph, dated August 28, 1923, a new eight-stall roundhouse addition was being constructed as a separate building; however it shared the 100-foot turntable with the original standard-gauge roundhouse. The 100-foot turntable replaced the original 80-foot turntable in 1917. Forms were set up to pour concrete for locomotive service pits, and...