1. Maps C.21.f.12(282) Reference (shelfmark): Maps C.21.f.12(282) Title: Tunnel No. 12, Strong's Canon. Photographer: Unknown Scope & Content: Genre: Industrial Photography View looking along the interior of the tunnel, showing timber shoring. Stereo half. Collection Area: Map Collections Languages: Not applicable Date Range: 1870s Extent: 1 item
2. Maps C.21.f.12(285) Reference (shelfmark): Maps C.21.f.12(285) Title: Tunnel No. 12, Strong's Canon. Photographer: Unknown Scope & Content: Genre: Industrial Photography View inside the tunnel. Stereo half. Collection Area: Map Collections Languages: Not applicable Date Range: 1870s Extent: 1 item