Boulder Hot Springs ID: 1301 | This file appears in: Boulder Hot Springs Boulder Hot Springs. Front and side view of the main building and addition, showing the front porch and automobiles parked front. | Creator: Unidentified photographer | Date: Between 1920 and 1930 | Source: Montana History Portal | Rights: Copyright Montana Historical Society Download Original File CreatorUnidentified photographerSourceMontana History PortalMontana Historical Society Research CenterDateBetween 1920 and 1930RightsCopyright Montana Historical Society "Boulder Hot Springs" appears in: Boulder Hot Springs