▁used ▁in ▁the ▁Ok ip a ▁ceremony ▁( S un ▁Dance ) ▁were ▁only ▁saved ▁because ▁they ▁suddenly ▁produced ▁water . ▁ ▁During ▁a ▁large - scale ▁attack ▁on ▁a ▁P aw ne e ▁hunting ▁camp ▁in ▁ 1 8 3 0 , ▁the ▁Che y ennes ▁lost ▁their ▁most ▁sacred ▁trib al ▁bundle , ▁the ▁Mah uts . ▁It ▁contains ▁four ▁ar rows ▁with ▁influence ▁upon ▁wars ▁and ▁b ison ▁hun ts . ▁The ▁Che y ennes ▁left ▁the ▁battle field ▁that ▁moment ▁and ▁went ▁back ▁to ▁their ▁camp , ▁m our ning ▁all ▁the ▁way . ▁In ▁the ▁words ▁of ▁Sand ▁Creek ▁mass acre ▁surv iv or ▁George ▁Bent , ▁the ▁loss ▁of ▁the ▁ar rows ▁" was ▁the ▁greatest ▁dis aster ▁the ▁Che y ennes ▁ever ▁suffered ." ▁ ▁A ▁Ki owa ▁calendar ▁memor izes ▁a ▁summer ▁incident ▁in ▁ 1 8 3 3 ▁by ▁the ▁words ▁" They ▁C ut ▁Off ▁Their ▁He ads ". ▁Os age ▁Indians ▁mass ac red ▁an ▁exposed ▁Ki owa ▁camp ▁by ▁killing ▁and ▁be head ing ▁many ▁women , ▁children ▁and ▁aged . ▁The ▁Os age ▁also ▁captured ▁the ▁Ki owa ▁Sun ▁Dance ▁figure , ▁so ▁" no ▁Sun ▁Dance ▁was ▁held ▁that ▁summer ". ▁ ▁The ▁Fl at head s ▁in ▁the ▁B itter root ▁valley ▁had ▁asked ▁for ▁teach ings ▁from ▁Jes uit ▁pri ests ▁since ▁ 1 8 3 1 . ▁Ten ▁years ▁later , ▁the ▁construction ▁of ▁St . ▁Mary ' s ▁Mission ▁was ▁finally ▁under way . ▁The