Lower Rattlesnake Historic District. View of the Rattlesnake Valley from Mount Sentinel. Interstate 90 cut across this landscape in 1966, making it necessary to move Greenough's mansion and to demolish many other buildings. The residential neighborhood continues to develop and change. | Creator: Chris Autio | Date: Fall 2006 | Source: Montana History Portal | Rights: Copyright University of Montana Mansfield LibraryDownload Original File
