. Sessional papers of the Dominion of Canada 1915 . s, and thusimpossible to maintain regular gauging stations everywhere they are desired. P. H. Daniells, , was in charge of the field work during the year and also made thefina computations for the annual report. INVESTIGATION OF ABSORPTION LOSSES IN CANALS. During 1914 the investigations which were commenced in 1913, to determine the absorp-tion and seepage losses in canals, were continued by R. J. McGuinness, who spent the wholeof the irrigation season on this work on the canals of the Western Section of the CanadianPacific Railway Compa
. Sessional papers of the Dominion of Canada 1915 . s, and thusimpossible to maintain regular gauging stations everywhere they are desired. P. H. Daniells, , was in charge of the field work during the year and also made thefina computations for the annual report. INVESTIGATION OF ABSORPTION LOSSES IN CANALS. During 1914 the investigations which were commenced in 1913, to determine the absorp-tion and seepage losses in canals, were continued by R. J. McGuinness, who spent the wholeof the irrigation season on this work on the canals of the Western Section of the CanadianPacific Railway Companys irrigation tract near Calgary, and the Alberta Railway andIrrigation Companys irrigation tract near Lethbridge. In this work we received the assist-ance of the officials of the above companies, and in all 256 measurements were made. The Date Est ;abli ished March 4, 1913 July n, 1913 June 17, 1914 Mav 18, 1914 August 23, 1913 Dec. 19, 1913 July 3, 1913 April 21, 1914 April 23. 1914 April 22, 1914 16 STREAM MEASUREMENTS, 19h 5 GEORGE V. A. 1915. ^32/ ^/ ^i/S/S/y 3£>r> INTRODUCTION 17 SESSIONAL PAPER No. 25c records obtained are given later in the report, and in addition to the work of measuring theflow of the canals the temperatures of the waters were also obtained. This work is beingcontinued and should produce some valuable data in a year or two. CURRENT-METEK HATING STATION. The rating station was kept in operation from early in April until the end of this f)eriod all the current-meters used in the field were rated at least once, and most ofthem twice, while a few used on special work were rated three times. During the season seventy-five current-meters w-cre rated, forty-one for this branch,eleven for the British Columbia Ilydrographic Survey, five for the British Columbia Govern-ment, twelve for the Manitoba Hydrographic Survey, four for the Department of Public Worksof Canada, and two for the Canadian Pacific Railway Company. Each meter was ra
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