GRAND CANYON (WABC) -- The National Park Service is asking for the public's help in finding a New Jersey man who went missing in Grand Canyon National Park in Arizona in July. Thomas Daniel Gibbs, 35, of Freehold, New Jersey, was last heard from on July 22 in the Grandview Trail and Horseshoe Mesa area.

Thomas Daniel Gibbs, a 35-year-old man from Freehold, N.J., last contacted his loved ones on July 22 during a trip to Grand Canyon National Park. He's been missing ever since.

A USA TODAY analysis found more than 600 fires that burned at least partly inside national parks in the past four decades.