or ang ▁Valley ▁in ▁the ▁ 1 9 5 0 s ▁made ▁this ▁process ▁irre vers ible . ▁ ▁In ▁ 1 9 4 6 , ▁their ▁relatively ▁peace ful ▁co - ex istence ▁was ▁sh atter ed ▁when ▁the ▁area ▁was ▁developed ▁as ▁a ▁tour ist ▁park . ▁The ▁K ed um ba ▁Creek ▁which ▁fe eds ▁to ▁the ▁K ato om ba ▁F alls ▁was ▁dam med , ▁forming ▁an ▁orn amental ▁lake . ▁The ▁shell ▁of ▁a ▁Catal ina ▁P BY - 5 ▁flying ▁boat ▁was ▁sh ipped ▁up ▁on ▁a ▁tr uck ▁and ▁installed ▁in ▁the ▁middle ▁of ▁the ▁lake , ▁giving ▁the ▁area ▁its ▁inform al ▁name . ▁People ▁could ▁pay ▁to ▁visit ▁and ▁play ▁with ▁the ▁air plane ▁controls , ▁while ▁speed bo at ▁r ides ▁were ▁carried ▁out ▁around ▁it . ▁T ear o oms , ▁a ▁mini ature ▁train , ▁Ferr is ▁wheel , ▁a ▁mer ry - go - round , ▁sw imming ▁pool , ▁as ▁well ▁as ▁a ▁small ▁cinema . ▁ ▁Event ually ▁the ▁am us ements ▁park ▁became ▁dil ap id ated ▁and ▁un pop ular , ▁with ▁the ▁government ▁bu ying ▁the ▁land ▁in ▁ 1 9 5 2 . ▁The ▁Catal ina ▁was ▁removed ▁and ▁eventually ▁sold ▁for ▁sc rap , ▁and ▁a ▁treated ▁sw imming ▁pool ▁was ▁built . ▁five ▁years ▁later , ▁a ▁rac et rack ▁was ▁organ ised ▁by ▁a ▁group ▁of ▁ 8 3 ▁local ▁business men ▁( the ▁Blue ▁Mountains ▁Sport ing ▁D ri