ROGERS John B. Rogers, a founder of what became RNL, a major Denver-based architect, died July 12 of complications of lung disease, in Denver. He was 88. A practice that Rogers founded in 1956 merged ten years later with two other firms to become RNL. Rogers, considered a pioneer in the profession, served as president for 30 years until the mid-1980s, and as chairman until 1995. With 250 employees and $29.1 million in 2009 revenue, the firm is No. 355 on ENR’s list of The Top 500 Design Firms. Rogers was an early advocate of integrated project delivery, the charrette
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.