Siksika Indians. Relinquishment of lands held for reclamation purposes to Blackfeet Indian tribe, Montana, report to accompany S. 2774 [to authorize Secretary of Interior to relinquish in favor of Blackfeet (or Siksika) tribe of Blackfeet Indian Reservation, Mont., interest in land acquired by United States under Federal reclamation laws]; submitted by Mr. O'Connor of Montana.