Grand Coulee Dam Grand Coulee Dam Grand Coulee Dam is a concrete gravity dam on the Columbia River in the U.S. state of Washington, built to produce hydroelectric power and provide irrigation water. Constructed between 1933 and 1942, Grand Coulee originally had only two powerhouses. The third powerhouse, completed in 1974 to increase energy production, makes Grand Coulee the largest power station in the United States by nameplate-capacity at 6,809 MW. However, in terms of yearly power production, Grand Coulee places fifth after a number of nuclear facilities to the south, like Palo Verde west of Phoenix, as the river flow varies throughout
Buzzard Coulee meteorite about the size of a desk and have had a mass of approximately 10 tonnes. The village of Marsden, Saskatchewan became a hub of activity for meteorite hunters, being just south of the estimated 20 square kilometre debris field. Locals dubbed the object the "Marsden Meteor"; many of the residents reported seeing, hearing and even smelling the burning fragments as they fell. The meteor was also referred to as the "Buzzard Coulee fireball", named after the area where searchers found the first fragments. Buzzard Coulee is located approximately from the Battle River valley. The first pieces of the rock were