The Bjarne Overlie Collection includes motion picture film of Northern Pacific Railroad Company track improvement projects and Bjarne Overlie's personal expense diaries between 1959 and 1973.

The Charles Felstead Collection is a digital file of an 8mm film of Northern Pacific steam power taken in the mid 1950s.

The Reginald Miles Collection is a digital copy of a motion picture taken at the Northern Pacific roundhouse in Spokane, Washington in 1940.

The William J. Neill collection consists of digital copies of locomotive cab films taken between Seattle, Washington and Portland, Oregon in 1968-1969.