Articles Tagged with ''ENR 150th Anniversary''

The explanation for the unusual device depicted on this 1942 ENR cover reads: “Developed by Harold Buckley, clearance engineer for the New York Central Railroad, as a means of insuring passage of bulky wartime loads, this ‘Porcupine’ railroad car is now in operation on the company’s lines.

By the 1930s, the century-old system of Great Lakes shipping channels no longer met Canada’s economic needs, and the country was eager to expand.

This 1969 image depicts a 12-story concrete core for an office building in Vancouver, Canada, that was one of the earliest examples of top-down construction.

The second deadliest dam failure in U.S. history happened suddenly. The St. Francis Dam was a 205-ft-high concrete gravity arch dam located in San Francisquito Canyon, 30 miles north of Los Angeles.<

Moving hot oil across Arctic terrain was an unprecedented challenge following the discovery of America’s largest oil field in 1969 in Prudhoe Bay, Alaska.

This 1928 cover shows two railroad erection cars building the Pennsylvania Railroad’s new main line bridge over the Wabash River in Terre Haute, Ind.

This 1964 image is perhaps the closest ENR ever came to dabbling in Op Art. It shows two workers standing inside a large conical depression with fluted sides, which is a plastic form made of glass-fiber-reinforced polyester resin.

Saudi Arabia was an underdeveloped country in the 1960s when its ruler, King Faisal, embarked on a far-reaching modernization drive.

This 1925 cover image depicts a concrete mixing plant—one of three—for a vital project in downtown Chicago, in which South Water Street was transformed into Wacker Drive, a major multilevel street running along the Chicago River in the Loop.