The New Jersey woman was pronounced dead at the scene. The New Jersey woman was pronounced dead at the scene. A 76-year-old woman from New Jersey died Sept. 17 after collapsing on Mesa Arch Trail in Canyonlands National Park, according to the National Park Service’s Southeast Utah Group. Mesa Arch in Canyonlands National Park, where a woman collapsed Sept. 17 on the popular trail. Crews from the San Juan County Sheriff’s Office, Grand County EMS and Classic Air Medical assisted, but Marcasciano was pronounced dead at the scene.