Still very interested to hear about exactly how you got that...

Still very interested to hear about exactly how you got that image @Oldgoldminer1 and what you think it shows and why.

I have downloaded the desktop version of Google Earth Pro to a Windows 10 machine and the latest image I can select is 23/07/2021 which shows the site pre-clearing. For those playing along at home, in the old images with scrub cover it can be surprisingly difficult to spot the site but if you navigate to 26^o 12' 4.57" S 27^o 53' 57.18" E you should see the adit. If there is a timeline try a few images to get one where the sun was shining in an advantageous direction as it is almost impossible to see when it is in shadow.

Surely someone here knows the state of play WRT access to free contemporary satellite imaging data, if indeed there is such a thing.