Executive Order 5581—Withdrawal of Public Land for Classification, California
It is hereby ordered that the following described tract of public land in California be, and it is hereby, withdrawn from settlement, location, sale, entry, and other forms of disposal, subject to any prior valid claim legally initiated and maintained, for classification and in aid of legislation:
T. 46 N., R. 6 W., Mount Diablo meridian, lot 2, sec. 30.
This order shall remain in full force and effect unless and until revoked by the President or by act of Congress.
The White House,
March 17, 1931.
Herbert Hoover, Executive Order 5581—Withdrawal of Public Land for Classification, California Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/361203