1. The document appears to be a presentation by David L. Trexler at the 2009 NARHA H4H Conference in Tucson, AZ containing photos from his experiences in therapeutic riding and with horses over several decades. 2. The photos document Trexler's time in the military in the 1960s, his early experiences owning Morgan horses, involvement in cutting horses competitions, and work with therapeutic riding organizations in North America and Europe. 3. Trexler also served as the Manager and Breeding Manager of Al-Marah Arabians in Tucson, where he was involved in showing, training, and caring for Arabian horses.