ell ▁the ▁un rest . ▁This ▁time , ▁however , ▁he ▁and ▁his ▁colle agues ▁determined ▁that ▁extra - legal ▁vig il ante ▁action ▁was ▁not ▁called ▁for . ▁Cole man ▁formed ▁the ▁Committee ▁of ▁Saf ety ▁as ▁a ▁supp lement ary ▁force ▁to ▁the ▁city ▁police ▁( which ▁was ▁double d ▁in ▁strength ▁during ▁the ▁un rest ). ▁F ear ing ▁that ▁the ▁Committee ▁of ▁Saf ety ▁troops ▁would ▁only ▁ex ac erb ate ▁violence ▁and ▁dis order , ▁they ▁were ▁not ▁given ▁fire ar ms . ▁Instead , ▁they ▁were ▁armed ▁with ▁pick ▁handles ▁and ▁became ▁known ▁as ▁the ▁" P ick ▁Handle ▁Brigade ." ▁Cole man ' s ▁concern ▁was ▁less ▁for ▁the ▁well - be ing ▁of ▁the ▁local ▁Chinese ▁community ▁than ▁fear ▁that ▁a ▁working ▁class ▁party ▁would ▁take ▁power ▁in ▁San ▁Francisco . ▁Nevertheless , ▁the ▁Working man ' s ▁Party ▁was ▁formed ▁under ▁the ▁leadership ▁of ▁Den is ▁K ear ney . ▁Its ▁s log an ▁was ▁" The ▁Chinese ▁Must ▁Go !" ▁and ▁the ▁party ▁helped ▁fost er ▁the ▁rac ism ▁and ▁political ▁momentum ▁that ▁cul min ated ▁with ▁the ▁Chinese ▁Ex clusion ▁Act ▁of ▁ 1 8 8 2 . ▁ ▁Bor ax ▁min ing ▁During ▁the ▁ 1 8 8 0 s ▁Cole man ▁was ▁owner ▁of ▁the ▁Harm ony ▁Bor ax ▁Works ▁in ▁Death ▁Valley , ▁operating ▁famous ▁twenty ▁m ule ▁teams ▁to ▁carry ▁the ▁product ▁from ▁ 1 8 8 3 ▁to ▁ 1 8 8 9 . ▁The ▁bor ax