The Passport in Time interviews were part of a heritage research project of the region done by United States Forest Service employees and regional volunteers. The fifteen interviewees, recorded for the Lewis and Clark National Forest Passport in Time Oral History Project by staff and volunteers in 1997, describe growing up on Montana ranches, sheepranching, grazing in national forests the Crazy Mountains, and other areas and towns in or near the National Forest from about 1930 to 1950.
The collection contains a speech by Duncan McDonald. The speech contains McDonald’s recollections and knowledge on Native Americans, the National Bison Range, Missoula and Native American mythology. McDonald gave the speech to an audience at the University of Montana Auditorium on February 22, 1915.