Navarro County Sheriff's Office continues its search for a missing boater on Richland Chambers Reservoir Friday morning.

The missing boater, described as a man approximately 75 years old, was last seen in a white Express Boat, 16 to 18 feet in length, with a Yamaha motor at the public boat ramp on FM 2859.

Officials have located the boat in a cove.

"Unfortunately, the missing boater has not been located," Sheriff Elmer Tanner stated in an updated Facebook post. "Units will continue this operation until he is found."

NCSO, along with Texas Parks and Wildlife Game Wardens, 287 R/C Fire and Rescue VFD, Navarro County Office of Emergency Management and Department of Public Safety Troopers and aircraft launched a search for the boater Thursday evening.

According to Sheriff Tanner, the boater went out on the water Thursday morning.

If you have seen this boat, or have information that could aid law enforcement in their search, please contact the Navarro County Sheriff's Office at 903-654-3001.