Woodrow Wilson actually said...
In the event that any existing agricultural entry on the reservation made with a reservation of the coal deposits, is canceled on or before June 30, 1917, the land may, if otherwise available, until and including that date, but not thereafter, be entered or purchased hereunder at the price fixed by the first entry.
Context
Proclamation 1365—Disposal of Lands in the Crow Indian Reservation, Montana
04/05/1917