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Show NEW YORK CITY BUILDING THE WORLD'S GREATEST COFFER-DAM H St K mW y . w v Top, looking toward the coffer-dam, pier in course of construction; bottom, section of coffer-dam as seen from H river. M Here are new photographs of the -world's greatest coffer-dam, being built by New York city from 44th street to 46th street, curbing the Hudson River. More than 75,000 cubic yards of rock are being blasted and drilled out to make wtfy'for the city's new inshore berths to accommodate the new 1,000-foot ocean liners which are ex- B pected to grace the harbor after the war. H |