Howard Lepper Memorial Hall, Flatwillow, MT ID: 5046 | This file appears in: Howard Lepper Memorial Hall View of facade | Creator: Betsy Bradley, photographer | Date: Sept 2019 | Source: National Register of Historic Places nomination form for Howard Lepper Memorial Hall. On file at Montana Historical Society State Historic Preservation Office, Helena, MT. Download Original File CreatorBetsy Bradley, photographerSourceNational Register of Historic Places nomination form for Howard Lepper Memorial Hall. On file at Montana Historical Society State Historic Preservation Office, Helena, MT.DateSept 2019 "Howard Lepper Memorial Hall, Flatwillow, MT" appears in: Howard Lepper Memorial Hall