United States Statutes at Large/Volume 5/27th Congress/2nd Session/Resolution 10
No. 10. Joint Resolution to institute proceedings to ascertain the title to Rush Island, ceded in the Caddo Treaty.
Resolved, by the Senate and House of Representatives of the United States of America in Congress assembled,U. S. Attorney for the Western district of Louisiana directed to institute proceedings. That the District Attorney of the United States for the Western District of Louisiana be, and is hereby directed to institute such legal proceedings in the proper court as may be necessary to vindicate the right of the United States to Rush Island, which is alleged to have been improperly included in the limited of the lands ceded by the Caddo Indians to the United States, by the treaty of the first July, eighteen hundred and thirty-five, and reserved by said treaty in favour of certain persons by the name of Grappe.
Approved, August 30, 1842.