Eastern entrance to Upper Spiral Tunnel
- AM427-S4-F3-: CVA 289-003.225
- Item
- [between Feb. 4 and May 21, 1925]
Part of William Orson Banfield fonds
Eastern entrance to Upper Spiral Tunnel
Part of William Orson Banfield fonds
Part of Major Matthews collection
The lower track from the Upper-Lower Spiral Tunnel
Part of William Orson Banfield fonds
The two ends of the Lower Spiral Tunnel
Part of William Orson Banfield fonds