Herbert Hoover actually said...
It is hereby ordered, under authority contained in section 5 of the act of February 8, 1887 (24 Stat. 388-389), that the trust period on allotments made to members of the Otoe and Missouria tribes of Indians in Oklahoma, whose trust period expires during the calendar year 1931, be, and the same is hereby, extended for a period of 10 years.
09/28/1931