Chicago : Engineering and Contracting Pub. Co. · leaf 94
Fig. 3—Details of Gate Tower and Outlet Gates. July 19, 1911. ENGINEERING & CONTRACTING 79 … Fig. 5—View Showing Dump Train with End Dump Car at Rear. was secured from the laya cap on the northside of the canyon, which was shot down thehill and placed by two 9 x 14-guy derrickswith 1-yd. steel skips and small push cars.The rock stripped from the surface of thesite and excavated from the…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
