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Gambling with water in the Colorado River basin 7 states share the Colorado river Droughts and overuse are threatening supplies Las Vegas, Nevada, needs more water than it is allotted Other states will let Las Vegas drill for underground water Drilling threatens the area?s ecology and people This issue will end up in Nevada?s Supreme Court The Colorado River The Colorado River originates in the Rocky MountainsDraining into the Gulf of California Its waters chiseled the Grand CanyonBut it has been reduced to a mere trickle Dams provide flood control, recreation, and hydroelectric power30 million people use the water Freshwater systems Water may seem abundant, but drinkable water is rare