Railroad Archives Online
- FondsD0036 - George Werkema Collection
- Seri003 - Great Northern Railway Company (U.S.)
- Subseri014 - Photographs
- 003 - Railroads--Buildings and Structures
- 004 - Maintenance of Way support
- Itemimg1153 - Great Northern Section Maintenance Building at Cut Bank, Montana, 1990
- Itemimg1154 - Great Northern Section Maintenance Building at Cut Bank, Montana, 1990
- Itemimg1155 - Great Northern Section House at Cashmere, Washington, 1987
- Itemimg1156 - Great Northern Section House at Cashmere, Washington, 1987
- Itemimg1157 - Great Northern Section House at Cashmere, Washington, 1987
- 4 lebih...