0 ▁and ▁ 1 8 7 8 ▁respectively . ▁Other ▁country ▁branch ▁lines ▁were ▁also ▁built ▁by ▁private ▁companies : ▁namely ▁the ▁Ker ang - K o ond ro ok ▁Tr am way ▁and ▁the ▁Den ili quin ▁and ▁Mo ama ▁Railway , ▁both ▁not ▁being ▁acquired ▁until ▁the ▁ 2 0 th ▁century . ▁ ▁In ▁addition ▁to ▁the ▁main ▁Victor ian ▁rail ▁network ▁of ▁the ▁Victor ian ▁Rail ways ▁and ▁success ors , ▁a ▁number ▁of ▁narrow ▁gauge ▁private ▁rail ways ▁and ▁tram ways ▁have ▁also ▁existed ▁for ▁logging ▁and ▁min ing ▁purposes . ▁These ▁included ▁the ▁Y all ourn ▁ 9 0 0 mm ▁Railway ▁in ▁the ▁Lat ro be ▁Valley ▁open ▁cut ▁coal ▁mines , ▁the ▁F y ans ford ▁C ement ▁Works ▁Railway ▁near ▁Ge el ong , ▁the ▁Ty ers ▁Valley ▁Tr am way ▁at ▁Mount ▁B aw ▁B aw , ▁and ▁the ▁Pow ellt own ▁Tr am way ▁from ▁Y ar ra ▁J unction . ▁ ▁Most ▁logging ▁tram ways ▁operated ▁in ▁the ▁Ot way ▁R anges , ▁Gi pp s land , ▁and ▁the ▁inner ▁east ▁of ▁the ▁Great ▁D ivid ing ▁Range ; ▁primarily ▁between ▁the ▁ 1 8 5 0 s ▁and ▁the ▁ 1 9 5 0 s , ▁with ▁only ▁one ▁surv iving ▁into ▁the ▁ 1 9 6 0 s . ▁They ▁were ▁primarily ▁of ▁ ▁or ▁ ▁gauge , ▁with ▁, ▁, ▁, ▁ ▁and ▁variants ▁also ▁used . ▁ ▁Railway ▁pres ervation ▁Organ ised ▁railway ▁pres ervation ▁comm