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Sand is an important resource in the Grand Canyon. It creates campsites for river runners, protects archeological sites, and provides wildlife habitat.…
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In autumn swarms of flying insects cloud the skies on the lower Colorado River near Bullhead City. Caddisflies are a nuisance to recreationists who want…
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Federal water managers are warning hikers and river runners below Glen Canyon Dam that Colorado River levels could suddenly fluctuate in the coming weeks.…
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Floating down the Colorado River through the Grand Canyon can be a leisurely, relaxing experience. But for a handful of river runners, speed is the real…
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Visitors to a national recreation area straddling the Arizona-Utah border are being asked to stay away from a rock art site that features sheep carved…
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The National Park Service has approved a plan to protect native fish and other aquatic species in the Colorado River below the Glen Canyon. According to a…
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Environmental groups that have long pushed to bring down a huge Colorado River dam along the Arizona-Utah border are suing the federal government.They say…
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Fifty years ago, a World War Two glider pilot and Sierra Club board member started a successful business offering dory trips down the Colorado River in…
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The U.S. Bureau of Reclamation is releasing higher-than-normal flows from Glen Canyon Dam this week, as part of an experiment to rebuild sandbars on the…
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The U.S. House and Senate have passed an appropriations bill that will restore full funding to environmental programs on the Colorado River for the next…