Water skier Pete Alderman, 79, dons his wetsuit for an early-morning ski on Crystal Lake in Harrison.
Alderman catches big air while riding an "air chair" hydrofoil.
Alderman emerges feet-first from Crystal Lake while preparing to ski barefoot.
Peter Lowell, director of the Environmental Lakes Association, runs a slalom course on Crystal Lake in Harrison. Lowell is a self-described apprentice of Alderman, a longtime waterskier and instructor.
Alderman pilots a boat on Crystal Lake while Lowell skis behind.
Alderman plays on a wakeboard on Crystal Lake.
Alderman bobs in the calm waters of Crystal Lake while waiting for the boat to return with the tow rope.
Outdoors 
