http://www.rslvirtualwarmemorial.org.au/
Amongst other features is what appears to be nominal rolls for the different battalions (not only South Australian), for instance here is one for the previously mentioned 58th Infantry Battalion:
http://www.rslvirtualwarmemorial.org.au/explore/units/216/people
The list does not include the men who transferred in from the 6th Inf Bn, because it would take too long to go through individual files to work out who transferred. It would have been compiled from Embarkation Nominal Rolls.
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