For complete arts and entertainment listings, see the Weekender, published Thursday in The Union Democrat.
Twain Harte Certified Farmers Market, 4 to 6 p.m., Eproson Park, Twain Harte, 586-3636.
"Stone Fences and Corrals in the South Central Sierra Nevada Foothills," preview presentation, 7 p.m., Community Room, Tuolumne County Public Library, 480 Greenley Road, Sonora.
Sonora Certified Farmers Market, 7:30 to 11:30 a.m., corner of Stewart and Theall streets, downtown Sonora, 532-7725.
Hilltop Farmers Market and Faire, 8 a.m. to noon, Mountain Sage Nursery, 18653 Main St., Groveland, 962-4686.
Porsche Group, breakfast, 8:30 a.m., upper parking lot, Pine Tree Restaurant, Hess Avenue and Highway 108, Sonora. A ride will follow breakfast. Call Carl Ermert, 586-3519.
26th annual Poison Oak Show, 9 a.m., St. Charles Saloon, Columbia State Historic Park, 533-4656.
OA-HOW (Overeaters Anonymous), 10 to 11 a.m., Alano Club, 19421 Village Drive, East Sonora, 533-4780.
Third annual Sierra Apple Festival, 10 a.m., Mother Lode Fairgrounds, Sonora, $5 for adults, $2.50 for children 6 to 14 and seniors 60 and over, $12 for families up to six people, children 5 and under free, 532-1607, www.sierraapplefestival.com .
Tuolumne County Chamber of Commerce 2008 Wing Ding Car Show and Grape Stomp, 10 a.m. to 4 p.m., The Junction shopping center, 532-4212, visit www.tcchamber.com .
Tuolumne County Museum open house, 10 a.m. to 3:30 p.m., 158 W. Bradford Ave., Sonora, 532-1317.
Tuolumne City Memorial Museum, 18663 Carter Street, Tuolumne, 10 a.m.-4 p.m., activities from 11 a.m.
Cops and Kids Fair, noon to 3 p.m. Sonora Elementary School, 830 Greenley Road, Sonora, 532-8143
Golden Sierra Rose Society's fourth annual Rose Show, 2 to 4:30 p.m., Tuolumne County Senior Center, 450 Greenley Road, Sonora, 536-9415.
Friends of Animal Control's Fashion Show fundraiser, noon to 3 p.m., Birdies, Mountain Springs, 17566 Lime Kiln Road, Sonora, 768-3630.
Tuolumne Band of Cherokee Indians, 2 to 4 p.m.,Tuolumne County Library, Greenley Road, Sonora, 605-5743.
"Planting California Natives in Your Garden" free workshop, 1 p.m., Tuolumne Community Garden, 18971 Cemetery Lane, Tuolumne,586-3593, 532-3676.
The Great Mother Lode Brass and Reed Band concert, 3 p.m. Sonora Opera Hall, 250 S. Washington St.
Mother Goose story time, 10:30 a.m., babies up to 2 years, Tuolumne County Library, 480 Greenley Road, Sonora, 533-5507.
Overeaters Anonymous, noon, Alano Club, 19421 Village Drive, East Sonora, 694-8422, 533-4780.
Building Success for Teens, 4:30 to 6 p.m., Dawn's Light, 591 S. Washington St., Suite B, Sonora, 532-9001, email@example.com. Gamblers Anonymous, 6 to 7 p.m., Tuolumne County Senior Center, 540 Greenley Road, Sonora, 588-8154.
Fresh Fridays Farmers Market, 5 p.m. to dusk, Utica Park, Main Street, Angels Camp, 736-1333.
American Cowboys Team Roping Association, Calaveras County Fairgrounds, all day, with 8 p.m. dance. Event is free, dance is $10, 736-2561.
Bear Valley Ski Club annual Ski Sale, 9 a.m. to 4 p.m., Meadowmont Shopping Center, Arnold.
12th annual Ironstone Concours d'Elegance, 10 a.m. to 4 p.m., Ironstone Vineyards, Murphys, $20, ages 18 and under free with adult, 736-2561, www.ironstonefoundation.org. Calaveras County Arts Council Open Studio Tour, 10 a.m. to 5 p.m., $10, 754-1774.
"All About Lichens" seminar, 10 a.m. to noon, Jack Knight Hall, Calaveras Big Trees State Park, 795-3840, 754-9029.
American Cowboys Team Roping Association, Calaveras County Fairgrounds, all day, 736-2561.
Arnold Farmers Market, 10 a.m. to 1:30 p.m., Cedar Center, Arnold, 728-9112.
Calaveras County Arts Council Open Studio Tour, 10 a.m. to 5 p.m., $10, 754-1774.
Independence Hall Quilters Guild of Arnold, 9 a.m., Independence Hall, Blagen Road, White Pines, 795-0619, 795-1833.
Calaveras County Board of Education, 4:30 p.m., Calaveras County Schools Office, 185 S. Main St., Angels Camp.
The Union Democrat Calendar attempts to list all non-commercial events of public interest in the Tuolumne and Calaveras county areas. Contributions are welcome. Call The Union Democrat, 588-4547, visit the office, 84 S. Washington St., Sonora, or e-mail us at: firstname.lastname@example.org .