The Nipigon hydro-electric power development constructed and operated for the municipalities of the Thunder Bay District by the Hydro-Electric Power Commission of Ontario.
Contributors: Ontario Hydro.
Publisher: [The Commission?]
Published: 1922
Place of publication: Toronto
Language: eng
Number of pages: 38
Subjects: Hydroelectric power plants -- Ontario -- Thunder Bay (District); Water-power -- Ontario.
Notes: At head of title: Hydro-Electric Power Commission of Ontario, Thunder Bay District.