March 26, 1902
It is hereby ordered that the building known as the "office" and a tract of land 200 feet square, the center of which shall be identical with that of the building, and the sides of which shall be parallel with those of the building in the limits of the Fort Yuma Abandoned Military Reservation, Arizona, be and they are hereby reserved and set apart for the use of the Weather Bureau.
THEODORE ROOSEVELT
Theodore Roosevelt, Executive Order Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/206951