Just pure speculation on my part, but I recalled reading the following in the recent Offer Memorandum -
After payment of the costs and expenses of the rights issue, the proceeds from the rights issue will be applied towards:
5. The potential expansion of WDRs iron ore and base metals asset portfolio;
With BTV looking to move into the Roper area, perhaps there are few more tenements that WDR could have an eye on - just a thought