Tuhia he tomokanga mō tēnei wāhanga - Ko ngā pikitia o te awa e Frederick S. Dellenbaugh i whakaaturia ki te Saint Louis World's Fair
i te tau 1904, whai ake i tētahi tuhinga pai i roto i te "Scribner's Magazine" i te tau e whai ake nei. Ko te tuhinga me nga peita, me nga whakaahua i hangaia i mua, nga peita, me nga purongo, i arahi ki te panui a te Perehitini a William Howard Taft i te Hurae 31, 1909 i hangaia ai te Mukuntuweap National Monument. I te tau 1917, i tae atu te kaiwhakahaere o te National Park Service hou ki te awaawa, a, i whakaaro ia kia hurihia tona ingoa mai i te Mukuntuweap e kore e manakohia e te rohe ki a Hiona, he ingoa e whakamahia ana e te hapori Moromona o te rohe. I tāpirihia e te United States Congress ētahi atu whenua, ā, i whakatūria te Zion National Park i te 19 o Whiringa-ā-rangi 1919. He Monument National motuhake o Hiona, te rohe o Kolob Canyons, i panuitia i te Hanuere 22, 1937, a i whakauruhia ki te papa i te Hurae 11, 1956.