President Donald J. Trump, accompanied by Vice President Mike Pence and Secretary of the Interior Ryan Zinke, signed the Antiquities Act Executive Order. The order directs Zinke to consult local governments and tribes in order to review national monuments created by the Antiquities Act since January 1, 1996, that are greater than 100,000 acres in footprint and report back to the President on suggested legislative or executive action, if applicable, within 120 days.