Lewis and Clark Caverns Historic District ID: 3569 | This file appears in: Lewis and Clark Caverns Historic District Lewis and Clark Caverns Historic District. View of the stairs to the observation point overlook, facing north. Digital photograph. | Creator: Chere Jiusto | Date: Nov. 2016- May 2017 | Source: Montana State Historic Preservation Office | Rights: Public Domain Download Original File CreatorChere JiustoSourceMontana State Historic Preservation OfficeDateNov. 2016- May 2017RightsPublic Domain "Lewis and Clark Caverns Historic District" appears in: Lewis and Clark Caverns Historic District