Who owns the Mississippi, and which state were you in?
I'm a Virginian, and the People's Republic of Maryland owns the Potomac River up to our high-tide shores.
My lawyer assures me he'd make it a Constitutional crisis ;-)
Taint nobody owns de riva, but I think Looziana claims jurisdiction over de West half, and Mizzizzippi claims authority over de East side. If you get drownded right smack dab in de middle of it, day fight over who gets to keep yo body.