Denny River Education Center and is used as a floating classroom, with periodic excursions.

Denny features labs and equipment for the students' use during their four- or five-hour voyage.

After his death, a longtime friend, Captain Lawson Hamilton bought the boat and named it P.A.

Classes offered on board include Land Use and Watersheds, Water Chemistry, Aquatic Biota, and Ecological Impacts for the high school and college cruises.

For elementary and middle school students, Planktomania, Critter Counting (macroinvertebrate identification), Fish Ecology, and Rate Your River.