Benjamin Harrison actually said...

Notice, moreover, is hereby given that it is by law enacted that until said lands are opened to settlement by proclamation no person shall b...

The officers of the United States will be required to enforce this provision.

By virtue of the power in me vested by the statutes hereinbefore mentioned, I do hereby declare and make known that all of the lands acquire...

And warning is hereby expressly given to all persons not to enter or make settlement upon the tract of land reserved by this proclamation.