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Collection consists of 5 booklets concerned with different aspects of safe railroad operations. Dated from 1950 to 1957, the booklets cover a range of subjects including derailments, loading material dangerous material, and other loading instructions.

Subseries contains material relating to the administrative functions of the Canadian National Railway Prince George office, including financial records and publication material meant for management staff.

Subseries contains publications intended for employees and the general public, produced by Canadian National Railways, concerning labour unions, uniform code, operating rules, maintenance of way, general instructions, examination material, handling of hazardous material, operating guides, safety, and the Royal Tours of 1939 and 1959.

Subseries contains ephemera related to Canadian National Railways.

Subseries consists primarily of interdepartmental correspondence and incoming correspondence to Pacific Great Eastern Railway.

Subseries contains publications intended for employees and the general public, produced by Pacific Great Eastern Railway, concerning labour unions, operating guides, and brochures.

Subseries contains maps and technical drawings produced Pacific Great Eastern Railways. Predominantly consists of plans of the rail line in the B.C. area. Also includes technical drawings of Pacific Great Eastern Railway structures.

Subseries contains publications and charters developed by various unions representing Canadian and American railway workers. Includes union newspapers, pamphlets, constitutions, medical and dental plan information, and union ephemera.

Subseries contains material pertaining to the history of railway in Northern British Columbia.

Consists of photographs depicting the Grand Trunk Pacific Railway, the Pacific Great Eastern Railway, the British Columbia Railway, the Canadian Pacific Railway, and the Canadian National Railway. Also includes photographs of various forestry-related scenes.

Photograph consists of an old wagon and another unidentified piece of old equipment in a grassy field.

Consists of photographs depicting abandoned Canadian National train stations, derailments, equipment, locomotives and staff.

Photograph depicts a long one-story building in airport yard at Watson Lake. Corresponding note on accompanying photo description page: "1. Warehouse, containing refrigerator in the far end and heating plant in the near end. Locked and in good condition."

Photograph depicts building in wooded area, dirt road and building supplies in foreground. Corresponding note on accompanying photo description page: "3. Service garage. Tarpaper siding."

Photograph depicts two men standing on concrete foundation poured into wood frame in dirt area. Corresponding note on accompanying photo description page: "2. Crib and gravel foundations for oil tanks."

Photograph depicts man operating snow plow in dirt area. Trees and mountain peaks visible in background. Corresponding note on accompanying photo description page: "2. Tractor plowing snow off power house site."

Handwritten annotation in blue ink on recto of photograph: "Portion of Garage interior". Photograph depicts two men standing in rear of garage interior. One car and Eimco loader can be seen in stalls.

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.

File contains images depicting various landslides near Cassiar BC. Set of 20 photographs (with 9 corresponding negative strips) date stamped June 1987 depict landslide near creek and dirt road with a Cassiar company truck. Set of 5 black and white photographs found in envelope marked "D. Stewart" are likely from 1988-1989 and depict a rockslide on the south western side of the pit mine, near the tramline. Album entitled “6200 DUMP SLIDE / SPRING, 1979” contains 34 photographs depicting aerial shots of a massive rockslide on the eastern slope of McDame Mountain, originating from the mine waste dump. Several images from album show greenish water pooling in the toe of the slide.

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”.

Photograph depicts the pit mine, and road in valley below. Town of Cassiar can be seen in distance at foot of south mountain range.

Photograph depicts the Cassiar mine, switchback road in foreground, mountain range in background. Pit is visible behind the West peak. The new mine garage can be seen on West peak just above "#7 switchback" in centre of image.

Photograph depicts the Cassiar mine to right of mine valley, north mountain range in background. Tramline station visible on west of open pit, and the new mine garage can be seen behind the West peak.

Photograph depicts what appears to be a small model of projected bench mining on McDame mountain. The model stands outdoors on small wood table, car partially visible in background. Annotation printed in border on verso of photograph: "1955."

Photograph depicts two men standing to left of Fred Murray on balcony of large building or structure speculated to be in the Cassiar valley. Portion of log structure in left foreground, man and hauling trucks on road in background.

Photograph depicts two blasthole drills on bench in mine, old garage visible in centre background. Snow-covered mountain range in background.

Photograph depicts ore haul truck at dump in mine, driver visible, mountain range in background. Handwritten annotation on recto of photograph: "Kenworth - Model 802 dumping stripping waste at 6565 Elevation", on verso: "1961".

Photograph depicts shovel loading Wabco haul truck on right. A second haul truck and an unidentified vehicle can be seen on far left. Handwritten annotation on recto of photograph: "Cassiar BC / June 1970 / 1400 on 6200 level / by T Kiefer".

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

Photograph depicts truck at reject plant in foreground. Mine road can be seen leading to plant in centre background, town in right background. South mountain range visible in distance. Handwritten annotation on recto of photograph: "June 1970 / Looking South across Rock Reject Tailings / Note Southern direction of conveyor [?] towards No 1 Gully. Tom Kiefer".