B c hydro power authority (3 risultati)

Paperback. Condizione: Fine. Side stapled printed card wraps, 4to (11 inches [27.9 cm] tall), pp. (i) [submission letter], 28, three maps, one being a fold-out at rear. Front cover with a faint ink stamp, else unmarked. A report outlining BC Hydro's need for a 230 kilovolt transmission line between Kootenay Canal generating plant and Kimberly in British Columbia, Canada, completing the link between Kootenay Canal and Cranbrook. Not found in Kootenaiana, but similar to #169.…

Paperback. Condizione: Very Near Fine. Side stapled printed card wraps, 4to (11 inches [27.9 cm] tall), pp. (i) [submission letter], 21, 2 fold-out color maps. Front cover with a few pink a dots and rubber stamp, else unmarked. A report outlining BC Hydro's need for a 500 kilovolt transmission line between Kootenay Canal and the North Okanagan in British Columbia, Canada. See Kootenaiana #169.…

Sheet Map. Condizione: At Least Very Good. Sheet No. 7 - with "Hunting Survey Corporation Limited / West Coast Division" printed at lower left margin - in B.C. Hydro's Columbia River Developments : Arrow Lakes series having "Date of Photography June-July, 1960" stated at bottom right hand corner. Large photo map has a scale of 1 inch to 200 feet, so offers an excellent view of the properties about to be flooded near Robson, B.C. Note that the "Columbia River" is now designated as Lower Arrow Lake on most maps. A circa 1960 Aerial Photo-Map of Robson, B.C. measuring overall, 26 inches tall x 35-3/8 inches wide, the printed area within the single border/neat line measures 25 inches tall x 24-1/4 inches wide. Map with light edge wear and a few short closed tears, else clean and unmarked. Previously rolled. This aerial photo was produced by BC Hydro prior to the construction of the Hugh Keenleyside Dam (originally named the High Arrow Dam) the photos were then made into maps showing predicted flood elevations, propertry lines and where the flood levels would rise to after closing the gates. A large, historic aerial photo that allows many family properties to be seen prior to being submerged. "Originally two lakes 14 miles apart, the Arrow Lakes became one 230 km long lake due to the reservoir created by the 1960s construction of the Keenleyside Dam; at low water the two lakes remain distinct, connected by a fast-moving section known as the Narrows. Damming the Lower Arrow Lake resulted in water rising 12 metres above natural levels. As a result of higher water, the valley lost 2/3 of its arable land. Thousands of people relocated." wiki accessed 04/21. …