Graham Downes Architecture Inc. Hard Rock hotel in San Diego was a signature design project for the firm founded by Graham Downes. Related Links: Website of Graham Downes Architecture Obituaries of other industry leaders and innovators DownesSan Diego architect Graham T. Downes died on April 21 from injuries following a late-night fight two days before with an employee outside his San Diego home. He was 55.Downes suffered blunt force head and neck trauma, including numerous skull fractures, from the altercation with Higinio Soriano Salgado, according to the San Diego County coroner's report.Salgado was a development manager since 2008 with Blokhaus,
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.