Show RAPID EXCAVATION ON PANAMA CANAL w WASHINGTON flay ra ay 13 On On Mn May 3 the sixth year car of American construe construe- tion ion of the Panama canal ended and the hc canal record line has presented an interest in in- terest n nc review review of what has been ac ac- Altogether cubic j yards of earth and ro rocs rock K have havo been removed This leaves to be taken out of the water approaches to tho canal cubic yards yard of material mate male rial nal riall while tho steam shovels f stave have to dip dig out yards of solid earth and rock The Culebra cut pr presents tho the hardest hardest hard hard- est cst problem for there thero remains to be hc ox excavated in that miniature mountain range ranco cubic yards ards ar 8 but as this his in is i carried off at t the tho rate of yards per month the end encl will soon bc be in B sight eight While all th this s excavation is going oin on rapid work is being done in the construction construction construction con con- of the tho great eat llama damp and Jocks locks of oC the canal an and it is is estimated that b by bJ Tuno Tune 1 an on average of or 2500 cubic yards of concrete will bo be laid each day ar |