Sec. 2 And be it further enacted, That it shall and may be lawful for the President to exchange any or all of such districts, so to be laid off and described, with any tribe or nation of Indians now residing within the limits of any of the states or territories, and with which the United States have existing treaties, for the whole or any part or portion of the territory claimed and occupied by such tribe or nation, within the bounds of any one or more of the states or territories, where the land claimed and occupied by the Indians, is owned by the United States, or the United States are bound to the state within which it lies to extinguish the Indian claim thereto.
