A month after a wildfire erupted at the edge of the Grand Canyon, US firefighters were struggling Monday to bring the blaze under control.The level of containment -- the amount of the perimeter where firefighters have completely stopped the fire's progress -- stood at 13 percent on Monday.

A wildfire burning since July 4 has closed the North Rim of Grand Canyon National Park for the rest of the season.

Teams across several western states continue to battle wildfires on hundreds of thousands of acres. The list includes Arizona's massive Dragon Bravo Fire. It is currently the largest wildfire in the continental U.