OUTDOORS ARCHAEOLOGY TOURS. The Center for Desert Archaeology offers half-day and full-day tours of the Romero Ruin in Catalina State Park and rock art tours of sites near Tucson. Contact Connie Allen-Bacon at 881-2244 for more information on tours. Individual, group and corporate rates are available. ARCHAEOLOGY OPPORTUNITIES. Gain training and research experience by volunteering on projects with Old Pueblo Archaeology Center. Call 798-1201 for information. Arizona-Sonora Desert Museum. 2021 N. Kinney Road. 883-2702. The museum is part botanical garden, part geology museum and part zoological park. Naturalistic settings house 1,386 plant species and 317 animal species. Live animal visits, botanical and raptor interpretations are given daily. During the month of May live animal interpretations are offered at 8:30, 9:30 and 10:30 a.m. and 1:30 p.m. Guided tours depart daily at 8 and 8:30 a.m. Early morning birdwalks meet at 7:30 a.m. Tuesdays and Thursdays. Saguaro flowering interpretive demonstrations are at 10 a.m. daily. Cost is $5, $15 for non-members, and registration is required. Museum hours are 7:30 a.m. to 6 p.m. Sunday through Friday, and 7:30 a.m. to 10 p.m. Saturday through September. Admission is $8.95 ages 13 and over, and $1.75 ages 6 through 12. Discount group rates are available. SAN PEDRO HIKES. Hikes along the river continue throughout the spring. Hikes range from five to seven miles and range from moderately difficult to strenuous. Bring a minimum of one quart of water per person, wear proper hiking shoes and dress appropriately. Sunscreen, sunglasses, hat and snacks are important. Not appropriate for small children. Pets prohibited. Pre-registration is required. Cost is $7.50 per hike. Call (520) 458-3559 for registration and information. NATURE CONSERVANCY. Visit the Nature Conservancy's Patagonia-Sonoita Creek Visitor Center and enjoy bird watching, guided tours and hikes. Regular preserve hours are 7:30 a.m. to 4 p.m. Wednesday through Sunday. Take Highway 82 to Patagonia, head west on Fourth Avenue, and south on Pennsylvania. Call (520) 394-2400 for information. TOHONO CHUL PARK. 7366 N. Paseo del Norte. 742-6455. Tohono Chul Park grounds are open from 7 a.m. to sunset daily. Exhibit hours are 9:30 a.m. to 5 p.m. Monday through Saturday, 11 a.m. to 5 p.m. Sunday. Admission is $2. The Tohono Chul Tea Room serves twilight dinners from 5 to 8 p.m. Call 797-1711 for dinner reservations. Call 742-6455 for reservations and information. VOLUNTEERS NEEDED. Sabino Canyon Volunteer Naturalists seek individuals who love nature, the outdoors and working with school children. Training begins in September. Call 289-4902 for information.

		© 1995-97 Tucson Weekly . Info Booth