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This file contains various aspects of the underground mine.

• Photos depicting damage to the underground mine such as fallen rocks, cracked shotcrete, twisted rock bolts and metal mesh, exposed and damaged steel structural frames, and repairs underway.
• Steel cables, chains, support arches, and custom welded rebar frames used in the structural reinforcement of the underground mine.
• Several engineering tests related to the structural damages are depicted.
• Two sets of images show a Porta Power hydraulic tool with a ready rod attached, a hand pump, as well as images of a technician testing the holding power of a rock bolt.
• Set of images documents a technician drilling cores and installing extensometer anchors, as well as grouting the anchors and connecting an extensometer. Technicians are shown inspecting damages with a ruler and rockhammer for scale.
• A set of images showcase the threaded rebar, nuts, and face plates used for rockbolts.
• Utility vehicles, yellow vent ducting, and utility pipes are visible in several images.
• Also include is an image of a man in office space, foggy night scene with a telephone pole, office desk, stack of supplies including concrete, steel cable, and spray paint, and several images of a broken piece of ore and concrete outside the mine portal.
• Several images depict miners working in the bucket of a scoop tram.
• Photos of the stramler feeder breakers, which was used in the underground mine.
• Images of ground support verifications where the deficiency of the exhaust ramp was investigated. This collection has various annotations explaining the broken shotcrete and the wire mesh installed.
• A collection of photographs depicting tunnel shotcrete failures. Each photograph has an accompanied textual annotation.
• Photos of MMD #750 Sizer equipment - assumed used in Underground Mine.
• Photos of pump used in 1335 level, wheel fan for ventilation removed from 1350 level,
• A collection of ground fall event 29 March 1989 - with annotations depicting damage

File contains photographs depicting superintendents accepting safety awards on behalf of Cassiar Asbestos Corporation ltd, and BCIT Scholarship Winners.

File contains photographs taken for promotional purposes.

• Two photos depict a Cassiar display at an unknown event in 1963.
• Eight photos were professionally taken for use in the 1978 Cassiar Asbestos Corportaion Ltd. Annual Report, and possibly other publications. These photos depict a skyscraper and products made with asbestos.
• Additionally, two hand painted postcards of McDame Mountain and Christmas Tree House are included that may have been used for promotional reasons. Also, four slides of a display, "Story of Asbestos."
• five photographs of unofficial tour of Cassiar via airplane in the 1970s.

Photograph depicts group of 15 men posed in formal room. George Washington Smith (President of Bell Mines) sits in centre on left, shaking hands with Alfred Penhale. Bottom, left to right: Mr. Janitsch, Andrew Johnson, G.W. Smith, Alfred Penhale, unknown, Bill Johnson. Top, left to right: unknown, unknown, C.B. Brown, Pierre Marcotte, F.P. Smith, unknown, unknown, Bill Oughtred, Jack Christian.