Justin Brus, IKM-Manning sixth grader, feels the teeth of a fish during a demonstration by the Iowa DNR’s Brian Hayes. See more photos in Tuesday’s Harlan Tribune. (Photo by Sarah Muller) SIXTH-GRADERS EXCITED ABOUT CONSERVATION Mon, 05/23/2016 - 12:00pm admin HARLAN -- Conservation Day for approximately 200 sixth graders from Shelby County was held at Prairie Rose State Park on Wednesday. Section: News