List_of_National_Monuments_of_the_United_States

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The United States has 100 protected areas known as national monuments. The President of the United States can establish a national monument by executive order, and the United States Congress can by legislation. The Antiquities Act of 1906 authorized the president to proclaim historic landmarks, historic and prehistoric structures, and other objects of historic or scientific interest as national monuments.

by neeha



31-Jul-10, 7:09 pm

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