At Gatun ships pass from the sea to the lake level, and vice versa, by three locks in flight. 佚名.神奇的知识之书.
This dike separated the water in the Gatun locks from Gaillard Cut. 佚名.神奇的知识之书.
Sea-level section of canal, seven miles long, from Atlantic Ocean to Gatun Locks, where by a series of three locks vessels are raised to Gatun Lake, eighty-five feet above sea level. 佚名.神奇的知识之书.
Small area of land dredged away as soon as Gatun Locks were completed. 佚名.神奇的知识之书.
At Gatun the eighty-five-foot lake level is obtained by a dam across the valley. 佚名.神奇的知识之书.
Three such steps are made at Gatun, two at Miraflores, and one at Pedro Miguel. 佚名.神奇的知识之书.