Appearing 85 million years ago — when the North American continent nudged against Europe, and Antarctica had yet to break from Australia and make its journey south — the first of its kind ...

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

The Grand Canyon ... off the wintery trails. All inner canyon corridor trails were closed from January 15 to January 16. Most notably, the North Angel, North Kaibab, and South Kaibab trails ...

The wide and mighty Snake River has long been a barrier to north-south travel in south-central Idaho. Many lives were claimed at river crossings on the Oregon Trail before bridges were built in ...

The National Park Service said on Wednesday evening that inner canyon corridor trails at the Grand Canyon were closed due to a chlorine gas leak at Roaring Springs. On Thursday, the leak was ...

GRAND CANYON ... Other affected trails include the Bright Angel Trail, where the pipeline from Roaring Springs runs along the underside of the trail’s Silver Bridge, and the South Kaibab Trail.

GRAND CANYON ... the trail by way of a buried pipeline, according to the NPS. Other affected trails include the Bright Angel Trail, where the pipeline from Roaring Springs runs along the underside of ...

Trails in Grand Canyon National ... The leak occurred in the canyon's Roaring Springs area of the North Rim. What we know: The Bright Angel Trail, South Kaibab Trail and North Kaibab Trail were ...

Officials with Grand Canyon National Park say a leak in the Roaring Springs area of the North Rim resulted in the closure of three trails.

Grand Canyon National Park announced on Facebook that the Bright Angel Trail, the South Kaibab Trail, and the North Kaibab Trail have all been closed to hikers. The closures are due to a chlorine ...

A chlorine gas leak at Roaring Springs forced the closure of all inner canyon corridor trails at Grand Canyon National ... North Kaibab Trail, and South Kaibab Trail are closed until further ...

All inner corridor trails in Grand Canyon National Park are closed due to a chlorine leak in the Roaring Springs area on the North Rim. This includes the Bright Angel, South Kaibab and North Kaibab ...