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Two large black and white prints of infrared dryers annotated on recto "Thompson Pipe and Steel Company Bulk Material Dryers Van Dorn Iron Works Company" and bearing on verso the ink stamp of a photographer from Cleveland, Ohio.

Photographic negatives depict men on tour in unknown locations in Russia. Images depict urban areas, mining areas, construction of buildings, railway, mineral samples, and equipment including dump truck and electric shovel. Also includes images of area speculated to be a mine pit. Men on tour are dressed in formal attire.

Handwritten annotation in pencil on envelope containing negatives: "Russian 'Asbest' Mine Slides" "7 copies of each - 23 negatives - 161 prints".

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".

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.

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.

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

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 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.

Photograph depicts two similar wood structures built into mountainside in snowy area. Unidentified machinery in foreground on far left. Power lines or other cables above 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: "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.

Unidentified wood structures in foreground on far left.

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 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: "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.

File contains 20 slides date stamped between July and August 1976 and annotated “TRAILER SERVICE SUMMER 1976", depicting the construction and renovation of a mobile home, excavations, and structures believed to be wells or water boxes. File also contains 9 additional slides with no annotations, depicting mobile home and houses in winter. These 9 images are associated with materials dated Nov. – Dec. 1976 and it is likely that these photographs were taken in the winter of 1975-1976.

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.