The Stephen S Eckman Collection is comprised of an Officers, Agents and Stations book dated 1965, a letter folder of three letters containing information and instructions for motor car inspections, a Great Northern Railway System Telephone Directory dated 1962 to 1969, a book labled "Station Agents Cash Book" but containing signal maintainers records of batteries, and seven SOO Line books containing demurage records.
The Stephen McDonald Collection includes Milwaukee Road pencils and a patch, photographs of Joseph McDonald (the donor's father) and copy of a newspaper article.
The Stephen Irwin collection is 152 railroad 5" x7" photographs each printed and captioned by photographer Ron Nixon from his collection of Northern Pacific railroad photographs.
The James Fredrickson Collection Northern Pacific Railroad steam locomotive photograph subseries is a compilation of photographs concerned with the Northern Pacific Railroad Company steam locomotives.