Runs 9 a.m. to noon at the Grazinglands Research Center near El Reno. Day will include tours, program information and children's activities. Lunch will be served from noon to 1 p.m. Center is four miles west of El Reno. From I-40, take exit 119 and follow signs to Fort Reno Visitors Center. To RSVP, call (405)262-5291, toll-free 1-888-608-2727, fax at (405) 262-0133 or by e-mail to ElReno.Info@ars.usda.gov.