Photo Courtesy of Rangeland Energy Rangeland Energy is building North Dakotas first open-access, crude-oil terminal, which will accommodate 120-car unit trains and be capable of moving 80,000 barrels per day by rail. Related Links: Shale Gas Major Driver For New Projects Some say it is the biggest construction project in the U.S.—a job requiring $8 billion in rail and fuel terminals, oil pipelines, natural-gas plants, oil wells, highway upgrades, water distribution systems and more.To others, it is the Bakken shale formation, a 15,000-sq-mile oil field straddling North Dakota and Montana and producing 300,000 barrels per day of crude oil. Its
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.