Okoboji (NorthwestIowaNow.com) — The grand opening of Sherwood Forest Park has been rescheduled to Thursday July 17, according to a release from the Dickinson County Conservation Board. The event originally scheduled for June 12 is delayed due to construction and landscaping issues. In the meantime, The Conservation Board hopes the public will continue to be respectful of and stay off the park property. For updates, the Dickinson County Nature Center has an active Facebook and Instagram page.