February 13, 1931
White House
It is hereby ordered, under authority contained in the act of June 21, 1906 (34 Stat. 325-326), that the trust period on allotments made to Indians on the Pine Ridge Reservation, S. Dak., which trust period expires during the calendar year 1931, be, and the same is hereby, extended for a period of 10 years.
Herbert Hoover