Power Block ID: 1299 | This file appears in: Power Block & Power Block West Power Block. View of a large commercial building with a stone exterior known as the Power Block at Main Street and 6th Avenue in Helena, Montana. Prominent sign on lower corner of building read, "Village Brownstone." Front/side view of building, facing southwest. | Creator: Unidentified photographer | Date: Between 1970 and 1985. | Source: Montana History Portal | Rights: Copyright Montana Historical Society Download Original File CreatorUnidentified photographerSourceMontana History PortalMontana Historical Society Research CenterDateBetween 1970 and 1985.RightsCopyright Montana Historical Society "Power Block" appears in: Power Block & Power Block West