Word: spillways
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Dates: during 1960-1969
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...just ten minutes, on May 31, 1889, a busy mountain-valley Pennsylvania steel town was wiped out, with 2,209 dead. A soaking rain had begun to fall a day earlier, turning the Little Conemaugh River into a spillway. Flooded streets were commonplace in Johnstown, but the big worry was a huge earth dam, 15 miles away, that held back Lake Conemaugh and its 20 million tons of water. Both lake and dam belonged to a club where Pittsburgh's most powerful families "roughed it." The dam was in bad shape; every time there was a hard rain, some...
...than six years to build at a cost of $510 million. The embankment stands 380 ft. high, is 11,000 ft. long, and holds 75 million cu. yds. of dry earth and rock. It is the world's fifth largest earth-filled dam and has the largest-capacity spillway, discharging 1.2 million cu. ft. of water per second, four times as much as Niagara Falls. Five 36-ft. tunnels drain the river; a subsidiary dike completes a 100 sq.mi. reservoir. Eventually, the powerhouse will hold ten 100,000-kw. generators to supply Pakistan's burgeoning industry...
...fishes, two giant hydraulic pumps hummed into action. The pumps sucked in the sweet water that flows into the sea from the Jordan River, pushed it through nine-foot conduits up an 845-ft. incline to the top of the Galilee Hills, then sent it coursing down an open spillway toward the central plains of Israel and the parched Negev Desert in the south. Thus last week Israel successfully completed the first full-scale test tapping in its critical and controversial Jordan waters project...