There's no such thing as isometric map in the Japanese mining engineers who planned the burials.
Those who planned it Northstar, didnt know it existed, your isometric is all suited for you to fil all maps.
There is also 1 reeder/ analyzer who relied on his LXY/LX/MX formulas but up until these days and from 30 years as T hunter, hasnt got anything yet, he hasnt improve much his knowledge iether.
There's nothing in it in prince Takeda's mind North star.