Word: screwworms
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Dates: during 1972-1972
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...signing of a U.S.-Mexican agreement to try to eradicate the screwworm -which ravages cattle on both sides of the border-had to be delayed because U.S. Secretary of Agriculture Earl Butz was out of town. More important, Washington seemed disinclined to honor its promise to halt the dumping of salt into the Colorado River, which leaves much of the soil of Mexico's Mexicali Valley cracked and covered with white cakes of salt...