AUTUMN ON THE PRAIRIE Saturday, September 21, at Nachusa Grasslands 2075 Lowden Rd., Franklin Grove Gates open at 10am. Event ends at 4 p.m. Parking: $5 per vehicle. Info at nachusagrasslands.org The Nature Conservancy AUTUMN ON THE PRAIRIE Saturday, September 21, at Nachusa Grasslands 2075 Lowden Rd., Franklin Grove Gates open at 10am. Event ends at 4 p.m. Parking: $5 per vehicle. Info at nachusagrasslands.org The Nature Conservancy