▁Graham . ▁Though ▁both ▁the ▁T ew ks bury ▁and ▁Graham ▁families ▁were ▁cattle ▁ran ch ers , ▁the ▁former ▁supported ▁the ▁she e ph erd ers ▁when ▁they ▁began ▁entering ▁Ple asant ▁Valley ▁in ▁ 1 8 8 5 . ▁The ▁sudden ▁appearance ▁of ▁large ▁f lock s ▁of ▁sheep ▁on ▁public ▁land , ▁that ▁had ▁been ▁previously ▁used ▁exclus ively ▁for ▁cattle , ▁was ▁un ner ving ▁for ▁many ▁cow bo ys , ▁so ▁they ▁" beg an ▁to ▁un ite ▁in ▁def ending ▁their ▁range ▁against ▁the ▁sheep ." ▁By ▁ 1 8 8 6 ▁it ▁was ▁illegal ▁for ▁she e ph erd ers ▁to ▁move ▁their ▁her ds ▁within ▁two ▁miles ▁of ▁cattle ▁gra zing ▁land ▁and ▁the ▁M og oll on ▁R im ▁was ▁an ▁uno fficial ▁border , ▁or ▁dead line , ▁which ▁no ▁sheep ▁were ▁permitted ▁south ▁of . ▁Ple asant ▁Valley ▁was ▁located ▁beyond ▁the ▁border ▁so ▁when ▁the ▁D ag gs ▁Brothers ▁and ▁the ▁T ew ks bur ys ▁began ▁moving ▁in ▁sheep , ▁the ▁local ▁cattle ▁ran ch ers , ▁such ▁as ▁the ▁Gra h ams , ▁resist ed ▁viol ently ▁by ▁attack ing ▁the ▁she e ph erd ers . ▁The ▁Gra h ams ▁and ▁the ▁T ew ks bur ys ▁had ▁been ▁fe ud ing ▁since ▁ 1 8 8 2 ▁but ▁the ▁first ▁blood sh ed ▁wasn ' t ▁until ▁ 1 8 8 5 ▁when ▁John ▁D . ▁T ew ks bury ▁le ased ▁a ▁her d ▁of ▁sheep