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VAIL, Colo.—Colorado authorities have started dredging out 30 years of sand buildup in a creek near Vail Pass.
The Black Gore Creek is choked with sand that comes from Interstate 70 in the winter.
The Colorado Department of Transportation and the U.S. Forest Service will dam the creek and send clear water down a quarter-mile pipe 3,000 feet downstream. Once the exposed creek bed dries up, crews will scoop out sand and silt, which have choked native aquatic life.
Some 15,000 tons of sand are applied to a nearby stretch of Interstate 70 every year.
