Railroad Archives Online
- CollectionD0036 - George Werkema Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroads--Buildings and Structures
- Subseries Level 3002 - Depots and Freighthouses
- 62 more...
- Itemimg1062 - Great Northern Depot at Essex, Montana, 1990
- Itemimg1063 - Great Northern Depot at Eureka, Montana, 1990
- Itemimg1064 - Great Northern Depot at Eureka, Montana, 1990
- Itemimg1065 - Great Northern Depot at Eureka, Montana, 1990
- Itemimg1066 - Great Northern Depot at Glacier Park, Montana, 1990
- Itemimg1067 - Great Northern Depot at Glacier Park, Montana, 1990
- Itemimg1068 - Great Northern Depot at Great Falls, Montana, 1990
- Itemimg1069 - Great Northern Depot at Great Falls, Montana, 1990
- Itemimg1070 - Great Northern Depot at Libby, Montana, 1990
- 86 more...