Proclamation 1660—Enlarging Area of the Pinnacles National Monument, California

By the President of the United States of America
A Proclamation

Whereas, it appears that the public good will be promoted by adding to the Pinnacles National Monument certain lands in the State of California, containing natural formations, known as Pinnacle Rocks, with a series of caves underlying them;

Now, Therefore, I, Warren G. Harding, President of the United States of America, by virtue of the power in me vested by section two of the act of Congress entitled, "An Act for the Preservation of American Antiquities," approved June 8, 1906 (34 Stat., 225) do proclaim that said lands, to-wit, the tracts described as lot 4, SW¼ NW¼, and SW¼ sec. 2, and W½ sec. 11, in T. 17 S., R. 7 E., Mount Diablo Base and Meridian, are hereby reserved from appropriation and use of all kinds under the public land laws, subject to all prior valid claims, and set apart as an addition to the Pinnacles National Monument, and that the boundaries of the said National Monument are now as shown on the diagram hereto annexed and forming a part hereof.

Warning is hereby given to all unauthorized persons not to appropriate or injure any natural feature of this Monument or to occupy, exploit, settle, or locate upon any of the lands reserved by this proclamation.

The Director of the National Park Service, under the direction of the Secretary of the Interior, shall have the supervision, management, and control of this Monument, as provided in the act of Congress entitled, "An Act to establish a National Park Service, and for other purposes," approved August 25, 1916 (39 Stat., 535) as amended June 2, 1920 (41 stat., 732).

In Witness Whereof, 1 have hereunto set my hand and caused the seal of the United States to be affixed.

Done at the City of Washington this seventh day of May, in the year of our Lord one thousand nine hundred and twenty-three, and of the Independence of the United States of America the one hundred and forty-seventh.

WARREN G HARDING

By the President:
     CHARLES E. HUGHES,
          Secretary of State