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Show PROGRESS Ir'OIUM ! Millions of Cubic Yards of Earth Have Been Removed . - j Washington. May 13 On May ?, the sixth year of American construe- lion of the Pnam. eannl ended, and the canal record has presented an In- lerestfng review of what has been ac-, ac-, compllshed. Altogether 105,SS8,O72 cubic -yards of , earth and rock have been removed. ThiB leaves to he taken tak-en out of the water approaches to the canal -29.232.052 cubic yards of mater-la mater-la I. while the. steam shovels have to dig out:38.827.C17 yards of solid earth and rock. The Culebra cut presents the hardest hard-est problem, for there remains to be excavated in that miniature mountain I range :il ,1 2S.845 cubic yards, but as this Is being carried off at the rate of 1. 24.1,000 yards per month, the end will soon he in sight. While Jill this excavation is going on, rapid work Is being done In the , construction of the great dams and looks of the canal, and It Is estimated estimat-ed that by June J. an average of 2,r.00 cubic yards of concrete will be laid oacu day. |