Railroad Archives Online
- CollectionD0491 - Warner Swarner 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
- 19 more...
- ItemWBSGNDepot023 - Great Northern Depot at Mentor, Minnesota, 1968
- ItemWBSGNDepot024 - Great Northern Depot at Middle River, Minnesota, 1968
- ItemWBSGNDepot025 - Great Northern Depot at Milaca, Minnesota, 1968
- ItemWBSGNDepot026 - Great Northern Depot at Montrose, Minnesota, undated
- ItemWBSGNDepot027 - Great Northern Depot at Mora, Minnesota Depot, circa 1958 or later
- ItemWBSGNDepot028 - Great Northern Depot at Morris, Minnesota, 1968
- ItemWBSGNDepot029 - Great Northern Depot at Mound, Minnesota, undated
- ItemWBSGNDepot030 - Great Northern Depot at Murdock, Minnesota, 1968
- ItemWBSGNDepot031 - Great Northern Depot at Nashwauk, Minnesota, 1968
- 65 more...