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Cassiar Asbestos Corporation Ltd. Anglais
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Underground Mine Structural Inspection, Rock Mechanics Dept. Foto Documentation

File contains images depicting the underground mine at Cassiar, showing structural damages, repaired damage ground support, and mining and repair processes.

The file contains a photo inventory entitled “Underground Mine Structural Inspection, Rock Mechanics Dept. Foto Documentation” with a complete file inventory linking the picture number to a location, title, and dated film. This photographic documentation was assembled for the purposes of liaising with a underground mining consultant located in South Africa.

  • Images document structural ground support including steel cables, support arches, metal mesh, shotcrete, rockbolts, wooden beams.
  • Images show ground support damaged through ground movement, but some depict newly installed or repaired support.
  • Images depict ventilation ducting that was crushed or torn.
  • Mining processes depicted include miners installing a rock breaker, miners paving the adit floor with concrete, miners inspecting a damaged section of mine, miner loading drill or blastholes with ANFO (ammonium nitrate / fuel oil mixture) explosives, and long hole drilling.
  • Technical elements of the underground mine depicted include a mining device and ore in a chute (annotated ‘1290 crusher’), the conveyor, ‘LH drill’, ore processing machine annotated ‘1350 breaker’, and an electrical box titled ‘Weighometer’.
  • Specific locations shown include ore draw points, ore passes, access drifts, a hatch and door titled “Fuel station 1415”, and a dead end drift with a stack of equipment and an orange cable annotated “1335 access electrical stations”.

Cassiar Staff

Photographs of various Cassiar Staff at work. There is extensive annotations on the back of each photo explaining who is depicted and where they are working.

Gravel Pit

Photograph depicts close up view of gravel pit, ruler displayed for scale. Photograph speculated to have been taken at the plant or near the Cassiar airstrip. Stamped annotation on recto of photograph: "JUN. 1987".

Water in Gravel Pit

Photograph depicts an unidentified man standing to left of large puddle in gravel pit, mountain peaks in background. Photo speculated to have been taken on the plant, or near the Cassiar airstrip, facing south west. Stamped annotation on recto of photograph: "JUN. 1987".

Conveyor & Dump Truck at Gravel Pit

Photograph depicts yellow conveyor belt in foreground over gravel pit, dump truck behind in midground. Mountains visible in background. Photo speculated to have been taken at the plant or near the Cassiar airstrip. Stamped annotation on recto of photograph: "JUN. 1987".

McDame Project - construction progress reports

This file includes two major photographic collections concerning the construction and development of the underground mine at Cassiar, title the McDame Project.

The first collection includes fifteen monthly progress reports documenting the development from July 1988 to December 1989. The progress reports are authored by G. Verret, and were distributed to the executives of Cassiar Asbestos in Vancouver as well officials of the B.C. Government and other creditors of the Corporation. Most images are annotated and dated. Many of the loose photographs are accompanied by an inventory sheet.

Subjects depicted include: the staging area prior to mine development, the initial development of the “Vent Portal”, a jumbo drill working on the mine face, the working face marked for drilling and wired with fuses, a Caterpillar dozer clearing snow after an avalanche, scene of a fire in winter time, complete conveyor sump decline, mining vehicle parked on the “Lay-Down Area” presumably near the portal, the working face of the mine at various stages of development, 1563 portal being slashed, the removal of the overburden for the tramline loading station site, the construction of the transfer tower(s), construction of the stockpile area, the construction of a sedimentation pond, a presumed cave in, construction of footings for the conveyor, construction of the tramline loading terminal station, construction of the crusher building, a slash titled “Breakthrough in Access Ramp”, storage of powder and fuses, a washout in conveyor decline, fog at the portal in -30 degrees Celsius, the 1290 junction flooded, a slab of shotcrete which fell on and injured a miner while shotcreting, shotcrete blasted off walls for repairs, images of the “Hilti-test”, shots showing grade of drift, and structural failures in the 1350 adit.

Locations and structure within the underground mine depicted include: yellow ventilation ducting, ground support including steel screen and shotcrete, steel cables bolted unto ground support, puddles in the adits, the access road to the lay-down area, the exhaust drift, “Fans and Heaters in the 1415 adit”, the 1350 sump, the access ramp to the 1320, the exhaust ramp safety bay, the conveyor decline, the ventilation adit, the 1563 portal, the temporary repair shop at the 1415 portal, junctions of various drifts, the ”Fresh Water Pump & Pumphouse on lower Creek”, the “Ventilation Raise/1563 Platform”, a “Diamond Drill Station” at 6066 North in the underground mine, the “Bridge to the Gravel Pit”, the “Crushing and Screening Plant” in the gravel pit, the ventilation bulkhead in the conveyor decline, and the “Powder Magazine”.

People depicted include Rose Gay and R. Tyne on a tour of the underground mine, a geologist with a rockhammer, a miner identified as A. Jacobs working, contract miners Bruno and Marbel from Canadian Mine Development, and unidentified miners rockbolting, shotcreting, and drilling using jackleg drills.

Vehicle and mining equipment depicted include jeeps, pickup trucks, a front end loader, an unidentified a small unmanned tracked machine with a long arm, scoop trams, a land cruiser, an ore truck with a flat tire, the cone crusher, a “scissor lift”, a mobile shotcrete machine, a new grout pump, a new Boart Jumbo Drill, and a detached bucket half of a 413 ore truck.

The second collection depicts the McDame Project construction in 1986 and 1987.
Content of these photographs includes: various machinery used for excavating and drilling, underground progress of tunneling, supports, wire meshing, rock formations in mine, and exposed asbestos. There are no annotations regarding this photographs.

Workplace Album - Conveyor Gallery

Photograph depicts tramline conveyors in centre of image (located west of mine). Conveyors ran from crusher plant to the tramline loading station. Building on left believed to be the crusher reject plant. Water truck can be seen by transfer building on far right (truck was used to thaw propane tank when necessary). Mine valley in background.

Community Album - Town Office

Photograph depicts unidentified man walking up front steps to building with the following sign: "TOWN ADMINISTRATION / MOTOR VEHICLE BRANCH / HCBC AGENCY / DISTRICT REGISTRAR / CDN CITIZENSHIP COURT / FISH & GAME LICENCES". Vehicles parked in foreground and behind at unknown building in midground. Power line and mountains in background.

Community Album - Winter Bunkhouses

Photograph depicts three long panabode buildings behind trees across from ball park. Power lines and other buildings visible in background. The winter bunkhouses contained double occupancy rooms with a common bathroom, and were distinguished from the summer bunkhouses which were generally considered less accommodating (see item 2000.1.1.3.19.84).

Community Album - Fire Hall

Photograph depicts two fire trucks semi-visible in garage with the sign "FIRE HALL". House and snowmobile can be seen in left midground, truck and power pole in right foreground. Mountains in background. Warning visible on front of trucks: "KEEP BACK 500m".

Community Album - Main Office, Warehouse & Mill

Photograph depicts two-story main office building in right midground behind sign reading "CASSIAR ASBESTOS CORPORATION Ltd / CASSIAR MINE / MAIN OFFICE". Building believed to be warehouse can be seen behind raised Canadian flag on pole in left midground. New mill building and tailings pile visible behind warehouse and office, mountains in background.

Community Album - Machinery at New Mine Garage

Photograph depicts the new mine garage behind machinery, mountains in background. Mobile blast hole drill can be seen in left foreground (manufactured by Robbins with Caterpillar undercarriage). Two 50-tonne Wabco "haul paks" in right foreground (ore haulage trucks).

Community Album - School Library

Photograph depicts unidentified youth seated at library tables. Group of smaller children can be seen sitting between bookshelves in background. Two adults visible on far right; chalk boards and posters on wall in background.

Community Album - Event in Cassiar Theatre

Photograph depicts large auditorium, seats filled with unidentified individuals (mostly children). Rounded stage in foreground, curtain on wall in background. This building was built in the late 1970s and belonged to the community's cultural society.

Workplace Album - Group Planning Open Pit Operations

Photograph depicts group of seven men in the Engineering/Survey building (former location of old mine dry). Photo believed to have been taken during the weekly meeting in which strategies were discussed for open pit operations (blasting, haulroad, ore and waste zones). Left to right: Danny Demitri, Roger Borsato, Tim Carew, Don Loverin (behind), Tim Williams (seated), Paul Clarke, Paul McRae.

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