Tuolumne County Resource Conservation District, 4 p.m., Tuolumne County Administration Center, supervisors' chambers, 2 S. Green St., Sonora.
Tuolumne Village Market, 4 p.m. to dusk, Tuolumne Memorial Park, Tuolumne, 928-4351.
Big Oak Flat-Groveland Unified School District Board of Trustees, 6 p.m., Tioga High School, Room 4, 19304 Ferretti Road, Groveland, 962-5765.
American Brotherhood Aimed Toward Education (ABATE), 7 p.m., Hillside Family Restaurant, 14715 Mono Way, East Sonora, 984-4888.
Southern Tuolumne County Planning Commission, 7 p.m., Groveland Community Hall, Main Street, Groveland.
Tuolumne Park and Recreation District Board of Directors, 7 p.m., district office, 18603 Pine St., Tuolumne.
Tuolumne Hose Co. No. 1 Fire Commission, 8 p.m., Tuolumne Firehouse, 18650 Main St., Tuolumne, 928-4505.
Senior Network, 8:30 to 9:30 a.m., Tuolumne County Health Department, 20111 North Cedar Road, Sonora.
Sierra Club day hike, meet 9 a.m., Mary Laveroni Community Park, Highway 120, Groveland, 962-7585.
Twain Harte Community Services District, board meeting, 9 a.m., Twain Harte Community Services District office, boardroom, 22933 Twain Harte Drive, Twain Harte, 586-3172.
Helping Hands, thrift store volunteers, 10 a.m., general meeting, Groveland Community Hall, Main Street, Groveland.
Story Time for toddlers and preschoolers, 10:15 a.m. and 11:15 a.m., Tuolumne County Library, 480 Greenley Road, Sonora, 533-5507.
Crystal Falls-Sonora Meadows Fire Department Auxiliary, 10:30 a.m., Crystal Falls Clubhouse, 21725 Crystal Falls Drive.
Child Abuse Prevention Coordinating Council, noon, Tuolumne County Superintendent of Schools Office, 175 S. Fairview Lane, Sonora.
ACT III, Amador-Calaveras-Tuolumne HIV/AIDS Care Consortium, 12:30 p.m., Sierra Health Resources, 1168 Booster Way, Angels Camp, 736-6792.
Tuolumne County Board of Supervisors Recreation Committee, 1 p.m., Tuolumne County Administration Center, supervisors' chambers, 2 S. Green St., Sonora, 533-5633.
Tuolumne County Solid Waste Committee, 3 p.m., Tuolumne County Administration Center, supervisors' chambers, 2 S. Green St., Sonora, 533-5633.
Tuolumne County YES Partnership, 3:15 p.m., Room 217, Tuolumne County Superintendent of Schools office, 175 S. Fairview Lane, Sonora.
Belleview School Board of Trustees, 6 p.m., school library, 22736 Kewin Mill Road, Sonora, 586-5510.
Disabled American Veterans and Auxiliary, 6 p.m. potluck dinner; 7:30 p.m. meeting, Veterans Memorial Hall, 9 N. Washington St., Sonora.
Twain Harte Nights, 6 to 9 p.m., Twain Harte, 586-1976.
Tuolumne County Citizens for Peace, 6 p.m., Peace Vigil, Courthouse Square, Sonora, 533-3516.
Chinese Camp School Board of Trustees, 6:30 p.m., school, 13444 Red Hills Road, Chinese Camp, 984-5421.
Columbia Area Planning Commission, 7 p.m., Eagle Cotage, Columbia State Historic Park.
Mother Lode Junior Rodeo Association, 7 p.m., El Dorado Savings Bank, 22990 Joaquin Gulley Road, Twain Harte.
Soulsbyville School District Board of Trustees, 7 p.m., Room 8, school, 20300 Soulsbyville Road, Soulsbyville, 532-1419.
Veterans of Foreign Wars, Keith Dale Wann Post No. 4748, 7 p.m., Veterans Memorial Hall, 18375 Fir Ave., Tuolumne.
Murphys Fire Protection District, 6 p.m., Station No. 1, 37 Jones, Murphys, 728-3864.
Calaveras County Fair Board, 6:30 p.m., administrative building, Frogtown, Angels Camp, 736-2561.
Council of Governments, 6:30 p.m., supervisors chambers, Government Center, 891 Mountain Ranch Road, San Andreas, 754-2094.
San Andreas Fire District, 7 p.m., 37 Church Hill Road, San Andreas, 754-4693.
San Andreas Sanitary District, 5:30 p.m., 152 St. Charles St., San Andreas, 754-3281.
Central Calaveras Fire and Rescue Protection District, 6:30 p.m., Station No. 1, Mountain Ranch, 754-4330.
Angels Camp Planning Commission, 7 p.m., Angels Camp Fire Station, 1404 E. Highway 4, Angels Camp.
Copperopolis Fire Protection District Board of Directors, 7:30 p.m., Station 1, 370 Main St., Copperopolis, 785-2393.