Calvin Coolidge actually said...
It is hereby ordered, under authority contained in Section 5 of the Act of February 8, 1887 (24 Stat. 388), that the trust period on the following allotments made to Indians on the Oakland Reservation in Oklahoma, which trust expires June 5, 1928, be and is hereby extended for a period of ten years from said date
Context
Executive Order 4816—Extension of Trust Period on Allotments Made to Indians of the Oakland Reservation in Oklahoma
02/24/1928