Word: wellton
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...arid U.S. Southwest and for Mexico's Mexicali Valley. Under a 1944 treaty, the U.S. promised to share the river for irrigation. Mexico built a dam one mile below the border, spider-webbed the once desolate Mexicali Valley with irrigation canals. Then in 1961, under the Wellton-Mohawk reclamation project in Arizona's Yuma Desert, U.S. cotton growers began draining salty irrigation water from their soil-and flushed the residue back into the river, whose salt content rose from a tolerable 800 parts per 1,000,000 to more than 6,000. Mexicali crops withered, and the Mexican...
...salt. Realizing that the U.S. was vulnerable under international law, Presidents Kennedy and Johnson pressed hard for a solution. Under the new agreement-not a formal treaty -the U.S. will spend $5,000,000 to build a 13-mile drainage canal that will divert the salty water from the Wellton-Mohawk project into the Colorado River at a point safely below the Mexican Dam. If pollution remains dangerously high at the end of five years, the U.S. and Mexico will get together to figure out what else...
...guaranteed Mexico 1,500,000 acre-feet of water each year. Mexico built a dam, dug irrigation canals and before long brought the once-desolate Mexicali region to life. But in 1961 the water became too salty to drink, and cotton died in the fields. Under the new Wellton-Mohawk reclamation project, U.S. farmers were using irrigation water to leach out excess salt from their desert soil-and were flushing the residue back into the Colorado, whose salt content rose alarmingly from 800 parts per million to more than...
Under consideration are several more expensive ways out, including a 65-mile canal to divert Wellton-Mohawk's salty waters to the Gulf of California...
...Questions? In Wellton, Ariz., Flight Instructor Larry C. Spain, demonstrating "How Not to Fly an Airplane," cracked...