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Trees near the Centre Street Bridge

The item consists of a photograph of a house near the Centre Street bridge and trees slated to be removed;From Engineering and Streets Division Correspondence;The photograph was taken just east of the Centre Street Bridge, at Lot 13 Plan C, Section 15/24/1-W5, looking North;The photograph shows the proposed tree removal which would accommodate the construction of a Bailey Bridge;A Bailey Bridge was constructed to accommodate traffic during the 1974 renovations and reconstruction of the Centre Street Bridge;The bottom corners of the photograph have tape across them, the top corners have tears on the surface of the paper (likely where tape was pulled off)

Sem título

Model of Devonian Gardens

Photoprint shows a model of the Devonian Gardens Building, viewed from 8th Avenue between 2nd and 3rd Street SW; The entrance shown is called the lobby entrance; The photoprint had a slip of paper attached to the verso, this paper was removed and stored with the photoprint; The paper reads '3. Lobby entrances on both 7th and 8th Avenues will feature cylindrical glass elevators to park.'

Trees on Memorial Drive

Photoprint illustrates the proposed route of water and sewer lines and the removal of trees necessary to accommodate the route; The photoprint was taken near Memorial Drive and 21st Street NW; A red line is drawn on the surface of the photoprint, showing the proposed water and sewage line; The photoprint is glued to a piece of white paper, it is too firmly adhered to the paper to remove it without damaging the photoprint; Written on the paper is '(1) Bearspaw' and 'photoprint NO. 1 Removal and Replacement of 4 Boulevard Trees.'; The paper is ripped and damaged and the photoprint is peeling from its backing paper

Sem título

John Sabol Surveys Sewage Treatment Unit

Item consists of a photoprint of the Bonnybrook Sewage Treatment Plant. The plant is located at 4302 15th Street SE; A note was attached to the photoprint with tape, this was removed and stored with the photoprint; The note reads: 'North America's largest mechanical aeration facility, using 40 units such as the one above, is an integral part of the secondary process at Bonnybrook. The aeration section is the size of five football fields. Underwood and McLellan engineer John Sabol stands beside one of the 60-horsepower electric drive units. -30-; Bob Anderson; Francis, Williams, Johnson &Payne Ltd. 700 - 6th Avenue S.W. #644, Calgary 1, Alberta. March 26, 1971 Phone 266-7061'

Raw Sewage: Influent to Effluent

The photoprint illustrates the water treatment methods of the Bonnybrook Sewage Treatment Plant; A note was attached to the photoprint with tape, this was removed and stored with the photoprint; The note reads: 'Differences in clarity and sediment are readily visible in samples taken from the Bonnybrook plant. Left is raw sewage, as it enters the plant. Centre is effluent from the primary treatment process, considerably clearer but still cloudy. Effluent from new secondary process, right, is almost perfectly clear. -30-; Bob Anderson; Francis, Williams, Johnson &Payne Ltd. 700 - 6th Avenue S.W. #644, Calgary 1, Alberta. March 26, 1971 Phone 266-7061'

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