The Little Sioux Valley Conservation Association and The O’Brien County Conservation Board invites the public to the Prairie Heritage Center August 16 from 5-7:30pm for a picnic and lawn concert. Enjoy a good Bison Burger and the Itty Bitty Boji Band. Hannah Hernandez, O’Brien County Naturalist, will be guiding an animal tracks activity. Bring a lawn chair to the Prairie Heritage Center 4931 Yellow Ave Peterson.