April 01, 1899
It is hereby ordered that the Fort Stanton abandoned military reservation, New Mexico, containing ten thousand two hundred and forty (10,240) acres, more or less, with the buildings thereon be, and it is hereby reserved and set apart for the use of the Marine Hospital Service.
Except that the force and effect of this order shall not apply to any lands to which, prior to the date hereof, valid claims may have been attached under the Homestead or Mineral Land Laws.
WILLIAM MCKINLEY
William McKinley, Executive Order Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/205951