UNDERWOOD Generational consultant Chuck Underwood a pioneering and longtime authority on generations, offers insights on the rising Millennial generation. Related Links: Millennials Bring New Attitudes Who Is a ‘Millennial’? Conrado Rodrigues Elizabeth McAndrew-Benavides Ellina Yin Jonathan Gaul Jonatan Schumacher Underwood is founder and principal of The Generational Imperative Inc., Miamisburg, Ohio, and author of the book The Generational Imperative, with over 24 years researching generational dynamics. This report is based on an extensive interview he granted ENR correspondent Judy Schriener in mid-February, 2011. ENR: What makes demographers start identifying groups of people born in certain years as a “Generation,” such
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.