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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”.

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 images of mine operations and construction, as well as a variety of other subjects.

• Elements of the underground mine are depicted, including miners working, the marked rock face, yellow ducting and ventilation fan, the portal, mesh rockbolted onto adit walls, shotcrete being applied, and stacked mining construction materials.
• Mining equipment depicted in this file includes underground ore haulage truck, Wabco ore haulage truck, jackleg drill, stoper drill, scoop tram, jumbo drill, conveyor, pickup trucks, unidentified mixing or grinding machine, a cable wagon and half constructed ore haulage truck in the shop, and a continuous miner (also known as alpine miner or roadheader).
• A set of images show a dozer and a lowbed truck transporting a temporary building down the pit mine access road.
• Several images depict drill core fragments, asbestos ore, and geological features of the mine.
• Mining related process are depicted, including a young man sluicing and panning, a mine building under construction, and an unidentified steel frame structure with a hydraulic device suspended on a rail.
• A set of images shows a railway or highway construction project, including stockpile of construction materials, rail cars, caboose, locomotive, front end loader, dump truck, concrete mixing trucks, semi-trucks, and a rail car with large steel drums which are speculated to be specialized for tunnel construction.
• Further images show what is speculated to be tunnel construction.
• A set of images at a high ceiling underground mine which is not Cassiar depicts a man in a suite by a underground ore haulage truck, and other mining vehicles including a crane.
• A set of images depict an ungulate herd, possibly bighorn sheep, on a mountain side.
• The file includes several images which depict personal life, presumably from a family vacation, and access to these images may be restricted. These images depict man with children on a fishing trip, adults and children around a pool, a woman on a motorcycle, and a house and kitchen. Several groups of images are contained in envelopes annotated with dates and “K. Minty”.

File contains 6 slide presentations depicting training material for the operation of a P&H excavator published by the Harnischfeger Institute. The presentations depict an introduction to excavator controls and techniques for proper hoist motion, proper swing motion, concerning haulage units, proper propel motion, and proper crowd motion.

File contains images relating to Incident & Accident Investigations and Occurrences. The photographs are grouped into sets relating to separate incidents.

File contains photographs related primarily to the following subject areas: personnel vehicle accidents, mine vehicle accidents, workplace accidents, fires, and rock falls in the pit mine.

Identified objects include Euclid ore hauling trucks, Wabco ore haulage trucks, drill rigs, derailed train car, Clark forklift, dump trucks, twisted steel girder, and cat machine.

Locations identified include the townsite, mill building, pit mine, tramline, railroad, the powerhouse, the plantsite, and the underground mine.

The following is abbreviated description of the incidents documented in this file:

• Photos and negatives of a rock slide in the pit mine, a flooding creek, a house severely damaged by fire, a parking lot in Cassiar, and what are speculated to be oil drums.
• Various of Finning Tractor and equipment damage incidents, one occurred on 2 July 1981 because of HOS blade, another in Nov, 1987, and another in Oct. 1986. Also Euclid accidents, of which one occurred 29 May 1987
• Photos of split fibre bags in snow, a damaged brown car in Cassiar parking lot, various Blast Hole Drill accidents, of which one occurred in pit in September 1985, and another planned blast that failed to detonate - powergel 'A' slurry failure on 10 June 1985.
• a derailed train, and a young woman measuring damaged steel trellis.
• Photos of Drill #707 fallen over in bank, a broken haulage truck, a fire damaged truck, and of Drill and Wzbco accident, #650 Haulage Truck accident on Oct. 24, 1990, and another accident near gas pump area involving truck on 5 Feb. 1987.
• Photos of damaged tramline after avalanche with annotated envelope "Bill Zemenchick", a set of photos showing tramline trackrope incident in 1986, and a derailed tramline carts in discharge area on 6 October 1986.
• Photos of Pressure Packer Accumulator Failure from the Plantsite in 1986, incident neraby Fibre Storage building involving #872 Forklift during 80s, another incident involving the #489 Hydraulic Shovel in the Mine during 80s.
• Photos of broken windshield and overloaded bucket on 30 April 1985, a screw gun malfunction caused by outlet having 600v power source in 1985, incident caused injury.
• Photos of "G" conveyor accident in April 1988, equipment damage in Underground mine in 1990, damaged screens in Mill, malfunctioning blade incident 11 Jan. 1992.
• Photos of Cat Engine cracking, damaged garbage truck, Haulage Truck engine failure on 27 Oct. 1986, Truck #84 backed into trench on 17 Oct. 1990, a loader that caught fire 21 June 1989, a grader accident on 21 Nov. 1985, and Haul track #59 broken tie rod that caused significant equipment damage.
• Photos of a fuel oil spill on 11 June 1990 in the Cassiar valley around plantsite.
• Photos of ground failure in Cassiar open pit 22 June 1988, 5 May 1987, and 2 Sept. 1987.
• Photos of damaged tires and damaged cart, a panfeeder accident in trench, shovel accidents on 6 March 1986 and 15 November 1986, Cylinder rod accident on 7 March 1986, manhole incident 9 April 1984, snow damage to building 29 March 1982, another loader engine fire on 3 Sept. 1987, and a broken tail light on 6 April 1988.
• Photos of accident in Underground mine when drilling piece of shotcrete fell on 20 June 1991, incident of disconnecting sling from chute causing damage on 4 July 1990, and accident in open pit of machinery going off road on 14 January 1988.
• Photos of Mine Garage Parts-room fire collection; 18 January 1986, also included are two photographs of a Euclid truck - kept with collection of context. Truck could have been used to transport debris.
• Important collection of three photographs of scoop tram sabotage incident - "foul play" on 15 June 1990. The Scoop tram was used in the underground mine.

Some of the above accidents involved personnel and therefore access is restricted - See Archivist for accessibility.

Subseries consists of photographic material pertaining to the following subject areas: mine operations; plant operations;labour strike 1970s images; townsite operations of the company towns of Cassiar and Clinton Creek (including community activities associated therein and townsite development); as well as, images of mines not owned by Cassiar Asbestos Corporation, but which are believed to have been used for operational research purposes.

Photo depicts workers at construction site of Cassiar's new mill building.

Handwritten annotation on recto of photograph: "FURNACE PAD AUG 25/64." Photograph depicts construction worker standing on elevated wood platform. Three other men can be seen working in construction area. This location is believed to be under the conveyor to crusher building, retaining wall in midground.

Handwritten annotation on recto of photograph: "RETAINING WALL POUR JULY 9/64." Photograph depicts two construction workers standing on retaining wall in foreground. Two other men stand near a crane operating in midground, with its load suspended above men on wall. Crane stands on road between a building and retaining wall, mountain range in background.

Handwritten annotation on recto of photograph: "FOOTING WEST WALL AUG 8/64." Photograph depicts a construction worker near freshly poured cement footings. Building is semi-visible in background on left, tall steel framework behind footings on right. The hard had of a second worker is visible behind footings.

Handwritten annotation on recto of photograph: "FORMING & STEEL WORK AUG 19/64." Photograph depicts construction workers among machinery on high elevation of crusher site. It is believed that a front end loader and concrete mixer stand in this area. Forms for cement made of wood and rebar can be seen in foreground on left, retaining wall on right. Building top and mountain range visible in background.

Handwritten annotation on recto of photograph: "WEST WALL FOOTING AUG 8/64." Photograph depicts a construction worker standing on rebar in forms built for cement footings. A front end loader and backhoe tractor can be seen on wood platform above footings. Mountainside in background.

Handwritten annotation on recto of photograph: "FORMING FOOTING FOR TRANSFORMER HOUSE AUG 20/64." Photograph depicts construction workers standing in forms made of wood and rebar for cement footings. Lumber scattered throughout, mountain range in background.

Handwritten annotation on recto of photograph: "RETAINING WALL POUR JULY 9/64." Photograph depicts construction workers among machinery near retaining wall under conveyor of crusher building. Crane stands on left, front end loader and back hoe tractor in foreground on right. Mountainside in background.

Handwritten annotation on recto of photograph: "POURING FOOTING RETAINING WALL JULY 4/64." Photograph depicts construction workers manually pouring cement into forms laid against mountain wall on high elevation of construction site. Cement is being transported by wheelbarrow. A retaining structure made with wood planks and rebar separates mountainside dirt from cement forms. A bulldozer can be seen in background, as well as a front end loader and back hoe tractor. Building at crusher site also in background.

Handwritten annotation on recto of photograph: "RETAINING RIBS JUNE 29/64". Photograph depicts construction workers on and near wooden framework structure extending from base of crusher building. Crane in background against mountainside. Miscellaneous construction equipment and materials throughout.

Photograph depicts the steel sheeting of the crusher building underway. Three men stand on platform suspended by cables close to roof of crusher building. Three other men can be seen working on the roof of the building, one walking, one sitting, one lying on his stomach very close to the edge. All are wearing safety gear. Cassiar mountain range in background.

Conveyor sits on tall steel framework, encased in steel sheeting, and stands to right of snow-covered slope. Propane tank sits on log structure below conveyor. Snowy mountains in background. See also item 2000.1.1.2.373. Handwritten caption below this photo reads: "Project completed - at 52˚ temp."

Handwritten caption beside this photo reads: "View of Bin and Pan Feeder". Interior view of crusher building. A square, snow-covered object is being lowered by crane into building.

Handwritten caption beside this photo reads: "Placing Crusher Pinion; Pitman; weight approx. 20 tons". Man stands on top of a very tall, red peice of equipment believed to be a crusher pitman. Boom of crane is visible in foreground, and two other men stand on a high level of the crusher building. Crusher foundations, an unidentified building, and mountain in background.

Handwritten caption beside this photo reads: "Erection of steel framework of Building". Red rectangular equipment stands enclosed in wood frame, which is also being enclosed in the much larger steel frame of the crusher building. Men are working on site, and boom of traveler crane can be seen on right. Other buildings at crusher plant are visible at top of mountain in background.

Handwritten caption above this photo reads: "Moving the sides of Bin into place. Weight nine tons" (see also item 2000.1.1.2.365). The bin side is not in view, but cable lines of crane can be seen lowering bin into building. Steel framework and sheeting in background, snow in foreground.

Handwritten caption beside this photo reads: "Moving the sides of Bin into place. Weight nine tons". Two construction workers on right of a large steel bin side. Steel framework and sheeting in background.

Photograph depicts different levels of crusher foundations built into mountainside. Dirt piles and unidentified machinery in foreground, power lines and mountain range in background.

Handwritten caption beside this photo reads: "Lowering Crusher Base into place." Square crusher base in foreground is being lowered by a traveler crane on wheels. Two construction workers stand watching on left. Crane stands against mountainside in background.

Stick, boom, and bucket of a "NORTHWEST" cable shovel excavator can be seen left of a steep wall of earth in lower level of construction area. Construction worker is partially visible in foreground on far right. Building materials in background.

Four construction workers stand to left of blasthole drill number "604" among many empty cardboard boxes. Mountain range can be seen in background.

Three men work in area confined by barricades made of vertical metal rods and horizontal wood planks (see item 2000.1.1.2.352). Two ladders in foreground, (one being used by construction worker). Lumber and semi-finished walls can be seen at higher level of elevation in background.

Photograph depicts two construction workers in far right sitting on edge above of excavation area, and two construction workers behind them standing at a higher level with construction of lumber walls behind them. The boom and stick of the "Northwest" excavator are semi-visible on left.

Photograph depicts four construction workers in front of tall wood structure extending to top level of construction area. Building material and supplies cover the ground: lumber, saw horses etc. Barricades against loose rock enclose area in midground (see item 2000.1.1.2.352). Plastic-covered pile sits at top level in background.

Blue sky in background.

Handwritten caption beside this photo reads: "Elaborate barricades required due to amount of loose rock falling continuously". Three men work in area confined by barricades made of vertical metal rods and horizontal wood planks. Miscellaneous building material and supplies cover the ground. Rock pile in foreground on right.

Photograph depicts a construction worker carrying a plank of lumber across a higher level area of the construction site, semi-constructed walls below him. Barricades against loose rock are semi-visible in foreground (see item 2000.1.1.2.352).

Handwritten caption beside this photo reads: "Work crew eating in open at 10˚ below zero, evicted from Lunchroom, due to damage to, from falling rock." Men are shown sitting in snow. Various metal materials in foreground, snow-covered mountainside in background. It is believed that power lines are also visible in background.

Handwritten caption below this photo reads: "Completed Foundations for Crusher, with forms being stripped." Men can be seen working on site. Switchback road, power lines and tramline towers are believed to be in valley in background.

Man in hard hat and overalls bent over wood structure in front of a wood box. Crusher building foundation, mountainside, and power lines in background.

Men can be seen working on site. Crusher building in midground, chutes can be seen crossing the different levels of foundation. Lumber is leaning against excavated dirt wall in foreground, as well as a ladder which reaches up to the base level. Large tank can be seen in top level above building construction. Mountaintop and sky in background.

View showing various levels of foundations. Men can be seen working on site. Vertically protruding planks from framework in foreground. A long building believed to be housing conveyor "B" can be seen in background, as well as the tree-covered valley.

Handwritten caption beside this photo reads: "Damage to Cassiar Grader, result of hazardous access to site". Rocks and rubble in foreground, mountain in background. Grader appears to be sitting on edge of cliff.

Handwritten caption beside this photo reads: "Lunchroom Damaged by Boulder". Large boulder stands to right of small building, walls of right corner partially destroyed. Lumber, upturned saw horse, and various other material lie on ground. Dirt road in foreground, mountainside in background.

Photograph depicts one man standing on framework of crusher building and a second man leaning over on a lower level. Lumber and hose in foreground.

Handwritten caption beside this photo reads: "View of Crusher Base." Wood and metal framework throughout, lumber and scaffolding in foreground. View facing into mountainside.

Photograph depicts man standing at bottom of crusher building. Portions of framework near top are covered with plastic. Snow on mountainside in background.

Men can be seen working on site, building tools and supplies scattered throughout. Handwritten caption beside this photo reads: "View showing various levels of foundations". A chute of some kind extends from high level to men near bottom. Dirt road at site, and tree-covered valley can be seen in background. Construction of a long structure near the edge of the excavation area can be seen in midground; this is believed to be conveyor "B".

Photograph depicts a round bucket attached to the main hook line of a crane and suspended over building framework in crusher construction site (crane not visible in image). Men stand around the bucket on high level of crusher building. A dirt road and long building believed to be housing conveyor "B" can be seen in background.

View facing into mountainside and showing various levels of foundations. Men can be seen working on site. Unidentified machinery and pile of long metal rods in foreground.

Photograph depicts a round bucket attached to the main hook line of a crane (crane not visible in image) suspended over building framework in crusher construction site. Four construction workers stand around the bucket. Two men can be seen on roof of long building in background believed to be the section of the crusher building which housed conveyor B. Dirt road crosses midground.

View of crusher building from above, featuring the bottom level foundation. A dirt road and long building believed to be housing conveyor "B" cross the midground. Valley in background.