▁mer cy ▁should ▁be ▁offered ▁the ▁men . ▁A ▁strong ▁and ▁final ▁less on ▁must ▁be ▁taught ▁the ▁black s . ▁... ▁ ▁The ▁white ▁men ▁had ▁no ▁mer cy . ▁The ▁black ▁men ▁were ▁killed ▁by ▁do z ens , ▁and ▁their ▁corps es ▁l ined ▁the ▁route ▁of ▁march ▁of ▁the ▁a ven gers ." ▁▁ 1 8 5 0 s ▁▁▁ 5 ▁June ▁ 1 8 5 4 . ▁The ▁command ing ▁officer ▁of ▁the ▁Western ▁Australian ▁native ▁police , ▁John ▁Nicol ▁Dr um mond , ▁together ▁with ▁a ▁large ▁group ▁of ▁station ▁hands ▁from ▁nearby ▁property ▁hold ings ▁conducted ▁a ▁mass acre ▁of ▁the ▁resist ing ▁Ab original ▁people ▁from ▁the ▁Green ough ▁area , ▁with ▁Dr um mond ▁and ▁his ▁force ▁attack ing ▁their ▁refuge ▁at ▁Boot en al ▁sw amp . ▁Follow ▁up ▁ra ids ▁occurred ▁on ▁the ▁Ab original ▁people ▁living ▁on ▁the ▁Ir win , ▁Bow es ▁and ▁Chap man ▁R ivers ▁around ▁Ger ald ton . ▁▁ 1 8 6 0 s ▁▁▁ 1 8 6 5 . ▁The ▁La ▁G range ▁expedition ▁was ▁a ▁search ▁expedition ▁carried ▁out ▁in ▁the ▁vic inity ▁of ▁La ▁G range ▁Bay ▁in ▁the ▁Kim ber ley ▁region ▁of ▁Western ▁Australia ▁led ▁by ▁M ait land ▁Brown ▁that ▁led ▁to ▁the ▁death ▁of ▁up ▁to ▁ 2 0 ▁Ab original ▁people . ▁ ▁The ▁expedition ▁has ▁been ▁celebrated ▁with ▁the ▁Ex pl or ers ' ▁Monument ▁in ▁F rem ant le , ▁Western ▁Australia . ▁▁ 1 8