To Let In Pacific Ocean.

New York Times 100 years ago today, May 18, 1913:
Twenty-five Tons of Dynamite Will Blow Up First Dike at Miraflores.
Special Cable to The New York Times.
    PANAMA, May 17.— The largest explosion of dynamite ever recorded will be set off to-morrow morning at 10 o'clock near Miraflores.
    Two hundred and thirty-six holes, containing twenty-five tons of dynamite, will be used to blow up the first dike holding back the Pacific Ocean.
    All the charges have been set and to-night they are under a heavy guard.