Bethany, Mo. – Northwest Missouri's grassland heritage will be celebrated at Prairie Days June 24-25 at Dunn Ranch in Harrison County. Bison, butterflies, birds and native plants that support them will be on display. Experts will interpret prairie ecology at a free event sponsored by the Missouri Department of Conservation (MDC), The Nature Conservancy, and the Missouri Prairie Foundation. No registration is required and all ages are welcome for hikes, tours and exhibits.