A historic lodge on the Grand Canyon’s North Rim is among more than 70 structures lost as a result of a fast-moving wildfire that continues to burn out of control.Video captured on July 14, shows smoke from the Dragon Bravo Fire along the North Rim of Grand Canyon National Park.

ALBUQUERQUE, N.M. (AP) — U.S. land managers are racing the clock as hotter, drier weather raises the risk of wildfires in the nation’s overgrown forests with each passing year.

A water treatment facility at the North Rim had been compromised by the fire, causing chlorine gas to fall towards the bottom of the canyon.