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.

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.

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.

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.

Photograph collection of early mill construction. Various annotations note retaining ribs, pouring ribs, pouring retaining walls, the west wall, steel work, transformer house, and furnace pad.

File contains portraits and sample photographs of exposed asbestos fibre: in veins of rock outcrops, and loose in talus on McDame Mountain (location of Cassiar mine). Some photographs were printed in Cassiar's Annual Reports, with labels and descriptions.

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.

Images contain technical engineering drawings from the Asbestos Mining Corp. Drawings are primarily of plant buildings and mining and milling equipment, but also include drafts of town site and utilities, (extensive images of water and sewer pipes and septic systems). Microfiche slides are 4.6cm x 3.5cm mounted on 8.3 x 18.2 cm paper cards with systematic puncture marks, presumed to be an antiquated form of computer memory. Slides are numbered ranging from 1001 to 1549 and a drawing number ranging from 1006 to 8008, generally in the format “2017/02/02”. Microfiche are dated 1950- 1976, several are dated “OLD”, and several are undated. All microfilm reels are annotated “CASSIAR ENGINEERING DRAWINGS”.

A collection of photographs of the early exploration exhibitions in the asbestos mountains area.

A collection of photographs from the site that Cassiar was being built in the early 50s. Photos depict lumber piles, early camp area, the first buildings, mountains, and the creek.
Along with this collection there are a set of images also from the early Cassiar site mainly depicting a dirt road and various individuals and machinery along it.

This file contains photographs of the construction of the dry rock storage building in 1953. The two photographs included in this collection depict the trusses of the building during construction.

Photograph of two Ingersoll-Rand drills in the early days of the Cassiar Pit. A truck and various figures are depicted.

Photograph of Ingersoll-Rand machinery drilling in the early days of the Cassiar Pit. Various workers depicted.

Photograph depicts unknown man driving bulldozer near edge of mine area at high elevation. Dozer is an International model TD24 (manufactured between 1947 and 1955). Valley and mountain range in background.

Photograph depicts unknown man driving bulldozer on edge of mine area at high elevation. The dozer is an International model TD24 (manufactured between 1947 and 1955). A second man stands on edge of cliff, directing driver. Mountain range in background.

Photograph depicts unknown man driving bulldozer in foreground. Shop area in background, numerous haul trucks and dozers throughout. Old mine garage can be seen in center behind dozer, and the mine's West Peak rises on right behind shop buildings. Mountain range in background. Handwritten annotations on recto of photograph: "Cassiar Asbestos Corporation Limited. Cassiar B.C. Mining asbestos ore elevation approx 6000 ft. above sea level. McDame mountain, Northern British Columbia"; "Toronto Set"; "D - 336"; "-4 1/2 -". What appears to be framing measurements are annotated on verso.

Handwritten caption beside this photo reads: "View of completed building." Large door on side of building, offering view of interior. Miscellaneous material in snowy foregrounded area: tractor equipment, steel drum, lumber etc.

Photograph depicts group of eleven men standing in line in the Cassiar valley. Left to right: Jack Christian, Charles Rainforth Elliot, John Drybrough, John E. Kennedy, Fred Martin Connell, W. Harold Connell, Ken A. Creery, George Washington Smith, Tam Zimmermann, [Fred Murray]?, Nick Gritzuk. Creery looks through his own camera, appearing to photograph the photographer. Power lines and mountains in background. Most men featured in photo are believed to be members of Cassiar's Board of Directors.

Photograph depicts group of eight men standing on lawn in front of building known as "House 130" or "Director's Lodge". Left to right: Nick Gritzuk, Charles Rainforth Elliot, W. Harold Connell, Jack Christian, Fred Martin Connell, Ken A. Creery, Plato Malezemoff (from Newmont Mining), Tam Zimmermann. Trees and mountains in background. Most men featured in photo are believed to be members of Cassiar's Board of Directors.

Six metal storage cases containing primarily slides depicting drill core sections in wooden storage trays. Cases contain inventories of slide images as well as annotations which document the year, drill hole number, and the length along the drill hole from which core sections are taken. In addition to the documentation of drill core sections, the cases contain slides depicting the following subjects: “Representative samples” of drill core fragments, drill core fragments in perspective, “physical characteristics” of the drill cores and the storage trays, the pit mine, a worker in a plaid shirt, close up shots of the geology of the working face, and images annotated “SHOTS OF JADE BOULDER CORE J5-J1”. Five slides originally filed separately and stamp dated “Jul. ‘73” depict what is speculated to be employees working on the diamond drilling project include 2 images annotated ‘R. Dickin Aug ‘72’, ‘I. Oliver Aug ‘73’, ‘S. Zimmer Aug ‘73’, and ‘core shack ’73’. The cases contain 234 7x7cm slides and at least 8 5x5 cm slides which are duplicates of the remaining images. The file also contains a slide strip containing several 7x7 cm slide images.

Photograph depicts construction worker walking up mountain slope, possibly using rope safety gear. Wood framework for Crusher building in foreground; mine road, plant site, and mountain range in background.

Handwritten photo captions below this item and item 2000.1.1.2.324: "ELEVATION OF SITE: 6000' " "Two views of completed Crusher Bldg." Crane numbered "151" stands above and to right of crusher building. Snowdrift in foreground, mountain range in background.

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

Handwritten caption beside this photo reads: "Conveyor 'B' from below, & Propane Tank." Conveyor sits on tall steel framework and encased in steel sheeting, elevated over gravel area and propane tank. Conveyor structure stands to right of snow-covered slope. It is believed that the crusher building stands in background.

Handwritten caption beside this photo reads: "Conveyor 'B'." Conveyor sits on tall steel framework and encased in steel sheeting, elevated over gravel area and small bulldozer. Unidentified buildings in midground, snowy valley in background.

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.

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