03/04/1917
https://www.presidency.ucsb.edu...
"I, Woodrow Wilson, President of the United States of America, do hereby proclaim and direct that all the unsold, unentered, nonmineral, unreserved lands affected by said Act, which are not withdrawn u..."
"The price of the lands shall be three dollars per acre if entered or purchased prior to September 15, 1915, and two dollars per acre if entered or purchased on or after that date."
"This order shall take effect thirty days from and after its publication in the Canal Record."
"This amendment shall be effective from the date the order of March 20, 1914, became effective, viz.: April 1, 1914."