The Argosy Sioux City Riverboat to close July 1 and replaced by a land-based Hard Rock slated to open in late July or August. The Argosy license was not renewed

Read about here:
http://siouxcityjournal.com/news/state-and-regional/iowa/more-than-jobs-threatened-by-argosy-closure/article_6140d69c-9097-560d-aae0-1bcba16fbe93.html