Mescom chat follows using information and evidence from the text. May 28, 1830
Chapter CXLVIIT
An Act to provide for an exchange of lands with the Indians residing in any of the states or territories, and for their removal west of the river Mississippi.
Be it enacted by the Senate and House of Representatives of the United States of America, in Congress assembled, That it shall and may be lawful for the President of the United States
to cause so much of any territory belonging to the United States, west of the river Mississippi, not included in any state or organized territory, and to which the Indian title has been
extinguished, as he may judge necessary, to be divided into a suitable number of districts, for the reception of such tribes or nations of Indians as may choose to exchange the lands
where they now reside, and remove there; and to cause each of sald districts to be so described by natural or artificial marks, as to be easily distinguished from every other
What does the phrase India title has been extinguished described in the context of the document