. Annual report 1919. 1920 HYDRO-ELECTRIC POWER COMMISSION 221. 2 22 TWELFTH ANNUAL REPORT OF THE . No. \) Excavation on the canal proper is progressing favorably. To date, 3,675,000cubic yards of earth and 283,000 yards of rock have been removed. Concrete hasbeen placed on walls and canal linings to the extent of 1,500 cubic yards and rip-rap amounting to 117,000 cubic yards has been placed. The forebay is now assuming more definite shape, 437,000 cubic yards ofrock having been removed. The drilling of forebay rock is progressing favorably. Some idea of the magnitude of this work may be gathe
. Annual report 1919. 1920 HYDRO-ELECTRIC POWER COMMISSION 221. 2 22 TWELFTH ANNUAL REPORT OF THE . No. \) Excavation on the canal proper is progressing favorably. To date, 3,675,000cubic yards of earth and 283,000 yards of rock have been removed. Concrete hasbeen placed on walls and canal linings to the extent of 1,500 cubic yards and rip-rap amounting to 117,000 cubic yards has been placed. The forebay is now assuming more definite shape, 437,000 cubic yards ofrock having been removed. The drilling of forebay rock is progressing favorably. Some idea of the magnitude of this work may be gathered from the factthat the largest electric shovels ever built have been handling this work and that50 miles of standard gauge railroads have been built in connection with con-struction operations. In addition to this there is being built a power house railway, which willconnect with the Michigan Central at Queenston. The side of the gorge at thepower house site has been cleaned, and the power house excavation proper willshortly be started. A large crusher-con
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