Collection Timeline

1901 to 1957

1901
Sketch showing proposed masonry lining near portal of tunnel

1902
Plan and profile of discharge tunnel
Engineer's drawing of sections of Discharge Tunnel

1904
Map showing the Canadian Niagara Power Company Powerhouse and Tunnel

1913
Engineer's drawing of the Rankine Generating Station

1925
Drawing of section thru wheelpit

1937
Rankine Generating Station

1957
Group of men near tunnel portal
Man working in rafter of tunnel
Four men standing in water in the tunnel
Water pouring into tunnel
Man looking down tunnel
Maintenance crew in tunnel
Large group photo in tunnel
Men walking through the tunnel
Water rushing through tunnel
Four men standing in water in tunnel
Tunnel wall
Four men in the tunnel
Group of men walking in the tunnel