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The Grand Canyon's three Inner Corridor trails had to be shut after workers discovered dangerous chlorine gas at the Roaring ...

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Bright Angel, South Kaibab and North Kaibab trails were all closed. The gas leak was at Roaring Springs, which is the water ...

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The new Transcanyon Waterline project will replace the old pipe built in the 1970s and change how the Grand Canyon gets its water.

Three trails at the Grand Canyon are closed until further notice after a chlorine gas leak at Roaring Springs.

Water from Roaring Springs is treated with chlorine to disinfect and to control microbes within it, officials noted.

An emergency situation at the Grand Canyon forced the closure of inner corridor trails, including the Bright Angel Trail, ...

A chlorine gas leak at the Grand Canyon forced the closure of several inner corridor trails until further notice, park officials announced Wednesday evening.