Railroad Archives Online
- CollectionE0018 - Norm Keyes Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 59 more...
- Item40.S.100.02 - Great Northern Steam Locomotive 2180 at Superior, Wisconsin, 1950
- Item40.S.100.03 - Great Northern Steam Locomotive 2181 at Superior, Wisconsin, 1956
- Item40.S.100.04 - Great Northern Steam Locomotive 2182 at Willmar, Minnesota, 1953
- Item40.S.100.05 - Great Northern Steam Locomotive 2184 at Superior, Wisconsin, 1954
- Item40.S.100.06 - Great Northern Steam Locomotive 2184 at Superior, Wisconsin, 1955
- Item40.S.100.07 - Great Northern Steam Locomotive 2185, undated
- Item40.S.100.08 - Great Northern Steam Locomotive 2186 at Grand Forks, North Dakota, 1955
- Item40.S.100.09 - Great Northern Steam Locomotive 2187, undated
- Item40.S.100.10 - Great Northern Steam Locomotive 2188 at Cass Lake, Minnesota, 1939
- 1007 more...