Showing 1971 results

Photograph depicts two unidentified men on road or mining bench at high elevation on mountain, valley in background.

Handwritten annotation on recto of photograph: "Bill Giachino & 'Sam' June 1970 / #4 / 74% / by Tom Kiefer".

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 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”.

The item is a CD-R containing Kent Sedgewick's files regarding the Upper Fraser Valley history. Files include literature summaries, oral history transcripts and various other documents referring to the Upper Fraser Valley. Annotations on CD-R state, "Jun 7 '04 Kent - UF files to start."

Handwritten annotation on recto of photograph: "ASBESTOS FIBRE VEINS AS THEY OCCURR IN A ROCK FACE". Photo caption under printed copy of image in 1952 Annual Report: "North Wall of adit approximately 225 feet from portal showing asbestos veinlets."

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.

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".

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.

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.

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.

One man can be seen on crusher building framework, unidentified equipment and long metal rods in foreground. Power lines, a large tank, and other small buildings are semi-visible on a level in the mountainside just above the crusher building. Sky can be seen in background.

Handwritten caption beside this photo reads: "View of Pinion & three sections of Crusher". Red rectangular equipment stands enclosed in wood frame, which is also enclosed in the much larger steel frame of the crusher building. Traveler crane on right.

Book was published by The Allen Photo Co., of Prince Rupert, B.C. and features printed photographs and captions documenting various aspects of Prince Rupert development from 1908 to 1910.

Photographs from Cassiar trip report to R.C. quarry plant in Sweden. This plant utilized rubber type dust enclosures to maintain low dust levels. Labelled Appendix F, this collection includes: landscape photograph of quarry, seal to conveyor gallery, rubber lined truck, rubber seal on equipment, rubber cover screen, and rubber bucket elevator.

Photographs from Cassiar trip report to Demona plant of Friction Materials Corporation in Israel. This plant makes only brake linings and they use a blend of blend of fibre and rayon in production. Labelled Appendix J, this collection includes landscape photos of the plant.

Photographs from Cassiar trip report to Ditton Works, a pipe division of TAC Construction Materials Ltd. Asbestos pipe was made at this particular factory. The company used some Cassiar fibres in their production. Labelled appendix I, this collection includes: photographs of equipment, bagging, packaging, fibre, pipes, and screens from inside the factory.

Photograph depicts Wabco in left foreground in front of shop building, tractor, and miscellaneous supplies. Mine valley and mountains in background. Handwritten annotation on recto of photograph: "Cassiar B.C. 1970 June 23 by Tom Kiefer".

Photograph depicts benches of Cassiar's open mine. Men can be seen standing near machinery speculated to be blasthole drills in bottom left of image. Handwritten annotation on recto of photograph: "Waste Stripping Operations on McDame Mt. Ore Mining in lower right Corner.", on verso: "1961".

File contains 3 strips of negatives depicting water control structures inluding pipes, culverts, and holding ponds. The strips were found in a photo lab pouch annotated "Sedimentation Pond Sept 1991" and addressed to "Cassiar Mining Corp. Attn; R. Tyne."

Contour plan shows layout of a water tunnel near Lyon's Creek in the CNR Clearwater subdivision.