Affichage de 3346 résultats

Archival description
1480 résultats avec objets numériques Afficher les résultats avec des objets numériques
2000.1.1.3.10 · Dossier · November 1990 - June 1991
Fait partie de Cassiar Asbestos Corporation Ltd. fonds

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”.
Final Budget
2000.1-0023-003 · Dossier · 1990
Fait partie de Cassiar Asbestos Corporation Ltd. fonds

File contents relate to: Cassiar Mine - operation and administration, Accounting / Payroll. Document type(s) include: binder.