Chicago : Engineering and Contracting Pub. Co. · leaf 150
ameter, with a capacity of 200 yon on a very rocky and uneven slope averag-ing 30°, Fig. 2. When it was proposed toconstruct this canal, there was an old canalalong the present location, 3% ft. wide onthe bottom and 3 ft. deep from top ofbank, with an upper inside slope of ¥2 to1. and a lower…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
