Railroad Archives Online
- FondoD0036 - George Werkema Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Subserie014 - Photographs
- 003 - Railroads--Buildings and Structures
- 004 - Maintenance of Way support
- Unidad documental simpleimg1153 - Great Northern Section Maintenance Building at Cut Bank, Montana, 1990
- Unidad documental simpleimg1154 - Great Northern Section Maintenance Building at Cut Bank, Montana, 1990
- Unidad documental simpleimg1155 - Great Northern Section House at Cashmere, Washington, 1987
- Unidad documental simpleimg1156 - Great Northern Section House at Cashmere, Washington, 1987
- Unidad documental simpleimg1157 - Great Northern Section House at Cashmere, Washington, 1987
- 4 más...