"Various operators have held tenure over the area; the following companies have recorded work in the area to varying capacities:
• CRA Ltd
• General Resources Ltd
• Pacific Copper Ltd
• Southern Ventures Ltd
• Telminex N.L.
• Michelago Resources
• Marlborough Resources
• Getty Oil
• Dominion Mining
• Republic Gold N.L.
The final three in the list have carried out the majority of the recent work and upon which HDY has based its exploration programs"
Who can say without access to exploration details. Easy for tenements to be sidelined while other assets prioritized, then discarded.