Turner Construction Co. Related Links: Turner Construction Co. obituary of Howard S. Turner Howard S. Turner, a noted research chemist and industrial manager who left a 29-year corporate career to join the family-run Turner Construction Co., New York City, as president, died on April 25 in Bryn Mawr, Pa. He was 100. As CEO and chairman, he was the last Turner family member to lead the firm.Turner was tapped by his cousin—the son of H.C. Turner, who founded the contractor in 1902—to succeed him in 1965.While he had been a board member since the 1950s, Turner noted in a 2002
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.