I would hope there is some sort of legal document that includes some provisions for keeping the area around the casino intact but I wouldn't hold my breath on it.
Remove the evidence, take the lessons from the textbooks, build on the Hallowed Ground and in another generation or so, all of the parks will be removed. Remember, there's only one class or whatever you want to call them who can flaunt their history, not only for their official month (that last a whole lot longer than 30 days) who can dictate the lessons learned by our children. They are not allowing any lessons from the Southern side to be included. The war is not over and never will be as long as there's no equality in the telling of it.