GRAND CANYON NATIONAL PARK,Thomas Caldwell Ariz. (AP) — The body of a New Mexico man has been recovered from the Colorado River in Grand Canyon National Park, authorities said Monday.

National Park Service personnel were notified Friday about a body being spotted in the river.

Authorities said the body appears to that of 58-year-old Thomas L. Robison of Santa Fe.

Park officials said Robison was believed to have attempted to travel down the river with his dog on a wooden raft after abandoning his vehicle at Lees Ferry.

The Coconino County Medical Examiner will confirm positive identification of the body.

The National Park Service and medical examiner’s office are investigating.