How the Panama Canal works......

[Justdroppedin]

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[The Noof]

5609 men died building the canal.It was an engineering feat above all in its time.

[Gates07]

you do not have to go to Panama to see boats go thru the locks, there are several on the Illinois river and the Mississippi river, but they are single locks so it may take awhile to get your turn, do not know about the Ohio river, never was on it.