Proceeds support visitor services and park interpretive programs, including purchase of audiovisual equipment for visitor education programs. In recent years, the association has contributed funds for the restoration of the Kolb Studio and for the installation of more than 150 wayside exhibits located throughout the park. The Grand Canyon Field Institute provides visitors with a firsthand learning experience about Grand Canyon. Classes for 1999 run from March through November and cover geology, ecosystems, botany, ornithology, photography, art, history, and archaeology. GCA members receive a discount on most classes.
Some programs are wheelchair accessible.
The Grand Canyon Trust is a registered nonprofit membership organization that advocates the responsible conservation of the natural resources of the Colorado Plateau. Headquartered in Flagstaff, Arizona, the board of trustees includes former Secretary of the Interior Stewart Udall. Secretary of the Interior Bruce Babbitt helped found the organization. The trust has been instrumental in lobbying for new legislation that further protects Grand Canyon National Park. Contact Grand Canyon Trust at Rte.