- FondoZA 0375 - THL Image Collection
- SerieBF - BF Collection
- Unidad documental compuesta103 - BF Collection File 103
- 50 more...
- Unidad documental simpleCB_045_011_83 - 1983. High concrete bridge under construction.
- Unidad documental simpleCB_045_012_75 - 1975. Concrete arch bridge close to tunnel.
- Unidad documental simpleCB_045_013_83 - 1983. High concrete bridge under construction.
- Unidad documental simpleCB_045_014_83 - 1983. High concrete bridge under construction.
- Unidad documental simpleCB_045_015_83 - 1983. High concrete bridge under construction.
- Unidad documental simpleCB_045_036_73 - 1973. Concrete arch bridge.
- Unidad documental simpleCB_045_037_84 - 1984. Long steel truss bridge on concrete piers.
- Unidad documental simpleCB_045_040_84 - 1984. Construction of long steel truss bridge on concrete piers.
- Unidad documental simpleCB_045_041_75 - 1975. Steel truss bridge on concrete piers.
- 21 more...
