▁the ▁Campbell ▁Town ▁district ▁had ▁already ▁established ▁its ▁major ▁land hold ers , ▁free ▁sett lers ▁who ▁had ▁disp la ced ▁both ▁ind igen ous ▁people ▁and ▁any ▁smaller ▁colonial ▁land hold ers , ▁and ▁had ▁established ▁cro pping ▁and ▁past oral ▁hold ings ▁with ▁a ▁sheep ▁population ▁of ▁ 1 8 0 , 0 0 0 . ▁By ▁the ▁mid ▁ 1 8 3 0 s ▁Campbell ▁Town ▁was ▁a ▁g arrison ▁town ▁with ▁a ▁court ▁house , ▁ga ol , ▁Police ▁magistr ates ' ▁house , ▁two ▁hot els , ▁two ▁in ns ▁and ▁em an cip ated ▁men ▁running ▁stores ▁and ▁mechan ics ' ▁sh ops . ▁The ▁growth ▁of ▁agricult ure , ▁housing ▁and ▁infrastr ucture ▁was ▁facil itated ▁by ▁the ▁labour ▁of ▁assigned ▁men ▁and ▁household ▁labour ▁was ▁facil itated ▁by ▁both ▁male ▁and ▁female ▁conv ict ▁labour ers . ▁The ▁ob verse ▁to ▁this ▁' free ' ▁conv ict ▁labour ▁was ▁the ▁enorm ous ▁par amil it ary ▁and ▁pen al ▁infrastr ucture ▁required ▁to ▁maintain ▁the ▁conv ict ▁system . ▁Gent le man ▁far mers ▁and ▁retired ▁military ▁officers ▁were ▁appointed ▁by ▁governor ▁Arthur ▁as ▁magistr ates ▁to ▁pro sec ute ▁the ▁law ▁on ▁this ▁front ier . ▁ ▁Campbell ▁Town ▁Post ▁Office ▁opened ▁on ▁ 1 ▁June ▁ 1 8 3 2 . ▁▁▁ ▁Today , ▁it ▁acts ▁as ▁the ▁only ▁major ▁rest ▁area ▁on ▁the ▁Mid land ▁Highway , ▁with ▁to ile ts , ▁a ▁park , ▁a ▁large ▁car ▁park ▁and ▁a ▁range