Great Lakes Dredge & Dock (NASDAQ:GLDD) reported quarterly earnings of $0.13 per share which missed the analyst consensus estimate of $0.18 by 27.78 percent. The company reported quarterly sales of $191.173 million which beat the analyst consensus estimate of $184.100 million by 3.84 percent. This is a 63.14 percent increase over sales of $117.185 million the same period last year.