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The Gatun dam is situated seven miles Ithrough a hill just below the dam.
from Colon. It is being made to impound When completed it will be 1200 feet
the waters of the Chagres river on the long. Its inside width will be 284 feet.
Atlantic side of the isthmus. A similar Its bottom and sides will be made of
dam is being constructed at Pedro Miguel concrete. The floor is from four feet to
.eighteen inches in thickness, with the
on the Pacific side. These will causesuce ten fve sea leve. he
surface ten feet above sea level. The
the water to form an inland lake cover- eiht feet t a the surfa
ing 163 square miles. The spillway is of the floor They rise on a one to ten
necessary in order to allow water in the slope and in four steps at the back to
lake that is not needed to find its way three feet at the top, which is twenty
back into the channel of the Chagres and feet above the floor. Besides the steam
thence into the Atlantic ocean at Fort shovels, busy loading the "spoil" into
Lorenzo. This dam will be nearly one cars, the drill is at work, making holes
and one-half miles long, 110 feet high, for the dynamite charge. This charge
and one-half a mile thick at the base. when exploded will break up the earth
It was necessary to build this spillway so that the steam shovels can handle it.
Copyright p9ro, by Keystone View Company.
.1703.-Dgging th Spi-. la
!1703-iDigging the Spillway
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at Gatun Dam, Panama Canal Zone >
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