William O'Brien House ID: 4075 | This file appears in: William O'Brien House William O'Brien House. Side view of the house, facing east. | Creator: Michelle Pearson | Date: June 1986 | Source: Montana State Historic Preservation Office | Rights: Public Domain Download Original File CreatorMichelle PearsonSourceMontana State Historic Preservation OfficeDateJune 1986RightsPublic Domain "William O'Brien House" appears in: William O'Brien House
