Rawhide Golf Ball Co.'s remote-retrieval system can recover 900 golf balls in one pass. - Courtesy of Rawhide Golf Ball Co.
A tractor and a wench are the workhorses that power the disk that scoops up the sunken balls. - Courtesy of Rawhide Golf Ball Co.
Rawhide founder Mark Schmitt trains his tractor operators to aim for a 10,000-ball bounty off a single course. - Courtesy of Rawhide Golf Ball Co.
Schmitt uses his ball-harvesting tractors on client golf courses from Ohio to Tennessee. - Courtesy of Rawhide Golf Ball Co.
Every few years, Schmitt gives a course a more thorough cleaning by diving to glean balls his tractors miss. - Photos by: Perry Reichanadter
Schmitt puts his diving wet suit on in the water. - Photos by: Perry Reichanadter
He comes back to the water's edge to finish preparing and to collect his gear. - Photos by: Perry Reichanadter
Diving weights and mesh bags for the golf balls hang from his neck while he works underwater. - Photos by: Perry Reichanadter
Schmitt remains tethered to a backup supply of air resting on shore. - Photos by: Perry Reichanadter
His raft carries his air compressor and supplies. - Photos by: Perry Reichanadter
Schmitt disappeared underwater about 30 seconds on this dive at Saddlebrook Golf Course. - Photos by: Perry Reichanadter
His short dive netted two handfuls of golf balls. - Photos by: Perry Reichanadter
His short dive netted two handfuls of golf balls. - Photos by: Perry Reichanadter