<P> Administered by the National Park Service , the area was originally named a national monument on April 12 , 1929 , and was redesignated as a national park on November 12 , 1971 . The park is expected to receive 1.8 million visitors in 2018 . </P>
<P> Administered by the National Park Service , the area was originally named a national monument on April 12 , 1929 , and was redesignated as a national park on November 12 , 1971 . The park is expected to receive 1.8 million visitors in 2018 . </P>
when did arches national park become a national park
when did arches national park become a national park
November 12 , 1971
November 12 , 1971