From that release:

The most recent exploration on Ester Dome was conducted by Placer Dome Exploration ("PDX") in 1998. The best drill hole reported by PDX intercepted 19.7 ft of 2.7 oz Au/t (6 m of 91.2 g Au/t) from 360 to 381 ft (110 to 116 m).

Placer Dome was working for Slglf at that time

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