- Collection2013.6 - David Davies Railway Collection
- Series2013.6.36 - Photographs
- Subseries2013.6.36.1 - Davies Historical Photographs
- File2013.6.36.1.156 - Miscellaneous Bridges
- Item2013.6.36.1.156.01 - CNR bascule bridge
- Item2013.6.36.1.156.02 - Pitt River swing bridge
- Item2013.6.36.1.156.03 - Queensborough bridge
- Item2013.6.36.1.156.04 - CPR Pitt River swing bridge
- Item2013.6.36.1.156.05 - CNR lifting bridge
- Item2013.6.36.1.156.06 - CP swing bridge at Harrison Mills
- 5 more...