Chicago : Engineering and Contracting Pub. Co. · leaf 500
he total amount ofconcrete placed in the Miraflores locks dur-ing the year was 272,933 cu. yds., at a cost of$4.6826 per cubic yard. The partly completedconstruction plant placed 67,678 cu. yds. andthe remaining 205,255 cu. yds. were suppliedby the auxiliary plant. The average numberof mixers of… … Fig. 4—View of Culebra Cut at Empire, Showing Suspension Bridge. (Bottom of Completed Cut will be 57 ft. Below Track on Which the Train Stands he Ancon quarry; dredging for sand at3hame; excavating a channel between theocks and below Miraflores locks to deep wa-er in the Pacific. Pedro Miguel.—The…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
