Activities include live animal displays, children's activities, crafts, a mining history display, a cave-formation display and a signing by children's-book author Conrad Storad are featured, from 10 a.m. to 4 p.m., Saturday and Sunday, Feb. 9 and 10; $6 per vehicle. Guided cave tours are available; $22.95 tour, $12.95 ages 7 to 13; free younger child where admitted. Call 586-2283, or visit azstateparks.com for reservations