, ▁informed ▁Sul ly ▁of ▁the ▁location ▁of ▁the ▁large ▁Si oux ▁enc amp ment ▁ 1 0 ▁miles ▁ahead . ▁ ▁Kill de er ▁Mountain ▁was ▁at ▁the ▁edge ▁of ▁the ▁Dak ota ▁bad lands , ▁cut ▁up ▁by ▁" deep , ▁imp ass able ▁rav ines " ▁and ▁" high ▁rug ged ▁hills ." ▁ ▁Real izing ▁that ▁a ▁caval ry ▁charge ▁would ▁be ▁difficult ▁in ▁the ▁broken ▁terrain ▁Sul ly ▁dis mount ed ▁his ▁soldiers ▁and ▁formed ▁them ▁in ▁a ▁h ollow ▁square , ▁one ▁mile ▁and ▁a ▁quarter ▁( 2   km .) ▁per ▁side . ▁ ▁His ▁horses ▁and ▁art illery ▁were ▁shelter ed ▁inside ▁the ▁square . ▁He ▁advanced ▁on ▁foot , ▁as ▁the ▁Si oux ▁on ▁horse back ▁formed ▁up ▁in ▁groups ▁on ▁Sul ly ' s ▁fl anks ▁and ▁on ▁hill top s . ▁ ▁Battle ▁ ▁The ▁two ▁sides , ▁soldiers ▁drawn ▁up ▁in ▁a ▁h ollow ▁square ▁and ▁Indians ▁scattered ▁around ▁the ▁hills , ▁ex changed ▁ins ult s ▁at ▁long ▁distance . ▁ ▁One ▁war rior , ▁a ▁H unk p apa ▁named ▁L one ▁Dog ▁rode ▁within ▁rif le ▁range ▁of ▁the ▁soldiers , ▁ta un ting ▁them . ▁ ▁Sul ly ▁ordered ▁him ▁shot ▁by ▁sh ar ps ho ot ers . ▁Account s ▁differ ▁as ▁to ▁whether ▁L one ▁Dog ▁was ▁killed ▁or ▁un sc athed . ▁ ▁With ▁the ▁first ▁sh ots ▁fired ▁at ▁L one ▁Dog , ▁the ▁soldiers ▁advanced ▁with ▁a ▁sk irm ish ▁line ▁and