Thats pretty consistant with the cardinia creek anyway. Would put koowee in gippy and tooradin just out given the cardinia creek drains into westenport between the airfield and the kooweerup rd turnoff.I'm a westerner, but always thought it was Nar Nar Goon and Koo Wee Rup, as the border. Everything beyond that is Gippsland
West gippsland and mid gippy would politically be the bawbaw and Latrobe shires, geographically a bit harder to define given the traf/moe flatlands all drain to the east and there isnt a particular terrain that defines them, maybe the confluence of the latrobe and tanjil rivers which also had the narracon creek flowing from the sth that would put moe in west gippsland and newborough in mid gippy? Especially south of moe as it pretty well defines the latrobe bawbaw shires all the way out to narracan.
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