Transactions of the International Engineering Congress, 1915 ...

American amount Atlantic average building built Canal Zone carried cars Chagres channel charge coast Colon Commission Company completed concrete connected construction cost cranes cubic yards Culebra December direction discharge Division dredges dumped east elevation Engineer entire excavation feet first force French Gamboa Gatun handling height Hill inches Isthmus July June labor lake length located locks lower March material maximum mean meters miles Miraflores months necessary occurred opening operation Pacific Panama Canal period pipe placed plant Plate points Porto Bello pumps Railroad rainfall rates records removed River road rock route season shovels shows side slide slope Spillway station steam streets supply surface TABLE tion track United wall