I mentioned this here: https://hotcopper.com.au/posts/36274388/single
But since there is some guessing about what the project might look like, here is the background paper from Jan 2015 for the previous holder of Steelpoortdrift (SPD) 365KT.
Pages 4-7 make for some interesting reading.
Remember, this is for the SAMREC code information, since then TNO have found more ...
Perdy
