Conover, a 53-year-old from Roosevelt, Utah, edged Jim Hicks (79) by one. He finished at 23-over-par 311.
Conover led by three over Hicks with three to play, but double-bogeyed the par-5 16th while Hicks made birdie. Even with two to play, Conover regained a one-stroke advantage when he bogeyed the par-4 17th and Hicks made double. Both men bogeyed the final hole.