Chicago : Engineering and Contracting Pub. Co. · leaf 501
. The excavation for the Miraflores Locks was the highest. In the prepara-tion of foundations the Atlantic division didthe work for less than the Pacific division.The high cost at Pedro Miguel is partly dueto the layout of the work and partly due tochanges in designs increasing the amount tobe done… … Fig. 5—Culebra Cut Looking North Between Contractors Hill and Gold Hill. average operating cost of $0.1415 per cubicyard, exclusive of charges for plant. The hydraulic excavating plant began workin September, 1910, and deposited 444,145 cu.yds. of impervious material from the canalprism to form the…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
