Two stalwart, long-time editors of ENR retired recently: Events Executive Editor Jan Tuchman and Research and Associate Editor Scott Lewis.

This ominous-looking machine partially immersed in the Missouri River was the world’s largest suction dredge when it was introduced.

A 1972 ENR cover story said of Wiss Janney Elstner Associates in Northbrook, Ill., “It exists largely by looking for trouble, both before and after the fact of structural distress and failure.”

The Center for Oral History at Columbia University, founded in 1948, is an archive of thousands of recordings of interviews with a wide range of public figures.

This 1940 cover photo shows a streamlined crane lowering the first rotor into position at the Hiwassee Dam in North Carolina.

As reported by ENR at the time, while the Depression deepened in the early 1930s, none of the initiatives taken by President Herbert Hoover or Congress did much to help, and some, such as the Smoot-Hawley Tariff Act, which led to higher prices, were counterproductive.

This 1935 cover shows three workers in a sewer tunnel in Chicago that is being driven through blue clay.

In this selection of construction history from the ENR archives, a look at the successful rush to build in the middle of World War II what at the time was the world's largest office building.

The following article, published in ENR’s 100th anniversary issue (April 30, 1974) chronicles the magazine’s history during it’s first century.

During his first year as ENR editor-in-chief, Arthur J. Fox decided to have the magazine each year recognize the individuals who have made significant contributions to the construction industry.