Helena Historic District ID: 1298 | This file appears in: Helena Historic District Helena Historic District. View of Main Street in Helena, Montana, looking south at 6th Avenue. Automobiles line each side of the street and people walk on the sidewalks. Gans & Klein Co. (Goodkind) building on the left, Power Block on the right. | Creator: Edward M. Reinig | Date: Between 1924 and 1925 | Source: Montana History Portal | Rights: Copyright Montana Historical Society Download Original File CreatorEdward M. ReinigSourceMontana History PortalMontana Historical Society Research CenterDateBetween 1924 and 1925RightsCopyright Montana Historical Society "Helena Historic District" appears in: Helena Historic District