Ku dhammaystiro weedha soo socota: Sawirada canyon-ka ee Frederick S. Dellenbaugh ayaa lagu soo bandhigay
Bandhigga Caalamiga ah ee Saint Louis sanadkii 1904, waxaa ku xigay maqaal wanaagsan oo ka soo baxay "Scribner's Magazine" sanadkii xigay. Maqaalka iyo sawirada, oo ay weheliyaan sawirro hore loo sameeyay, sawirro, iyo warbixinno, ayaa horseeday in Madaxweyne William Howard Taft uu ku dhawaaqo 31-kii Luulyo, 1909 in la abuuray Mukuntuweap National Monument. Sanadkii 1917, agaasimihii xilka hayey ee Hay'adda Beerta Qaranka ee dhowaan la aasaasay ayaa booqday dooxa wuxuuna soo jeediyay in magaceeda laga beddelo Mukuntuweap oo aan caan ka ahayn deegaanka oo loo beddelo Siyoon, oo ah magac ay adeegsadaan bulshada Mormon ee deegaanka. Koongareeska Mareykanka wuxuu ku daray dhul dheeri ah wuxuuna aasaasay Beerta Qaranka ee Siyoon Nofeembar 19, 1919. Taallada Qaranka ee Siyoon oo gooni ah, aagga Kolob Canyons, waxaa lagu dhawaaqay Janaayo 22, 1937, waxaana lagu daray beerta July 11, 1956.