W.L. Adair General Mercantile Historic District ID: 4500 | This file appears in: W. L. Adair General Mercantile Historic District W.L. Adair General Mercantile Historic District. Rear to side view of the barn structure, facing northwest. | Creator: Michael Koop | Date: Aug. 1985 | Source: Montana State Historic Preservation Office | Rights: Public Domain Download Original File CreatorMichael KoopSourceMontana State Historic Preservation OfficeDateAug. 1985RightsPublic Domain "W.L. Adair General Mercantile Historic District" appears in: W. L. Adair General Mercantile Historic District