National Geographic : 1914 Feb
A BREAK IN THE CANAL BANK AT CULEBRA, SHOWING LOADED FLAT CARSCAUGHT INTHE SLIDE "Over 250 acres of ground lying outside of the intended banks of the canal, and containingover 30million cubic yards ofmaterial, have swept, with silent but terrific force, down into the canal. Now this onslaught has demoralized anentire railroad system; now ithasputthecom pressed air and water systems out of commission; . . . now it has imprisoned dirt trains and wrecked steam shovels" (see text, page 133).