Annual report of the Department of Public Health, Province of Alberta. 1935 

Annual report of the Department of Public Health, Province of Alberta. 1938 

Annual report of the Department of Public Health, Province of Alberta. 1939 

Federal and provincial forestry station at entrance to Kananaskis area, Alberta. 

View of Boundary Flat, Kananaskis area, Alberta. 

George V. Eckenfelder driving a truck across Pocaterra Creek, Kananaskis area, Alberta. 

Kananaskis River, Alberta. 

G.A. Gaherty's cabin on Upper Kananaskis Lake, Alberta. 

West end of Upper Kananaskis Lake, Alberta. 

Site of proposed Horseshoe Dam, near Seebe, Alberta. 

Key plan of Ghost dam and hydroelectric power plant [Ghost Plant] and adjacent area, Cochrane area, Alberta. 

Power transmission lines, Spray Lakes hydroelectric power plant [Spray Plant], Spray Lakes area, Alberta. 

Ghost dam and hydroelectric power plant [Ghost Plant], Cochrane area, Alberta. 

Ghost dam and hydroelectric power plant [Ghost Plant], Cochrane area, Alberta. 

Ghost dam and hydroelectric power plant [Ghost Plant], Cochrane area, Alberta. 

Ghost dam and hydroelectric power plant [Ghost Plant], Cochrane area, Alberta. 

Ghost dam and hydroelectric power plant [Ghost Plant], Cochrane area, Alberta. 

Power station at Ghost dam and hydroelectric power plant [Ghost Plant], Cochrane area, Alberta. 

Power transmission lines from Ghost dam and hydroelectric power plant [Ghost Plant], Cochrane area, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant] construction site, Kananaskis, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant] construction site, Kananaskis, Alberta. 

Site of Pocaterra dam and hydroelectric power plant [Pocaterra Plant], Kananaskis, Alberta. 

Site of Pocaterra dam and hydroelectric power plant [Pocaterra Plant], Kananaskis, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant] construction site, Kananaskis, Alberta. 

Power transmission lines at Pocaterra dam and hydroelectric power plant [Pocaterra Plant] construction site, Kananaskis, Alberta. 

Interlakes dam and hydroelectric power plant [Interlakes Plant] construction site, Kananaskis, Alberta. 

Interlakes dam and hydroelectric power plant [Interlakes Plant] construction site, Lower Kananaskis Lake at rear, Kananaskis, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant] construction site, Kananaskis, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant] construction site, Kananaskis, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant], Kananaskis, Alberta. 

Ghost dam and hydroelectric power plant [Ghost Plant] under construction, Cochrane area, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant], Kananaskis, Alberta. 

Pocaterra dam and hydroelectric power plant [Pocaterra Plant], Kananaskis, Alberta. 

Buildings at Pocaterra dam and hydroelectric power plant [Pocaterra Plant] site, Kananaskis, Alberta. 

Close-up of pipes and valves, steam power plant construction site, Medicine Hat, Alberta. 

Steam power plant construction site, Medicine Hat, Alberta. 

Steam power plant construction site, Medicine Hat, Alberta. 

Girders of extension to steam power plant being erected at construction site, Medicine Hat, Alberta. 

Trench and pipes at steam power plant construction site, Medicine Hat, Alberta. 

Workers erecting girders at steam power plant construction site, Medicine Hat, Alberta. 

Workers erecting girders at steam power plant construction site, Medicine Hat, Alberta. 

Steam power plant construction site, Medicine Hat, Alberta. 

Power transmission lines at steam power plant construction site, Medicine Hat, Alberta. 

Bearspaw dam and hydroelectric power plant [Bearspaw Plant] construction site, Calgary area, Alberta. 

Bearspaw dam and hydroelectric power plant [Bearspaw Plant] construction site, Calgary area, Alberta. 

Bearspaw dam and hydroelectric power plant [Bearspaw Plant] construction site, Calgary area, Alberta. 

Bearspaw dam and hydroelectric power plant [Bearspaw Plant] construction site, Calgary area, Alberta. 

Bearspaw dam and hydroelectric power plant [Bearspaw Plant] construction site, Calgary area, Alberta. 

Bearspaw dam and hydroelectric power plant [Bearspaw Plant] construction site, Calgary area, Alberta. 

View of Ghost dam and hydroelectric power plant [Ghost Plant] construction site from top of mixing plant, Cochrane area, Alberta.