Halloween is coming early for Carroll residents, as a tick-or-treating event is coming up this weekend. The event is on Saturday, September 10, from 6:00 p.m. to 8:00 p.m. at the Swan Lake State Park Campground. Individuals are encouraged to decorate their campsite for a chance to win prizes and hand out candy for trick or treaters. This event is free and open to the public. For more information, individuals can contact Carroll County Conservation at 712-792-4614.