hagetaka (a devourer of corpses :-)
As the pit gets deeper, the waste:ore ratio should improve exponentially.
james
You obviously did not excel at maths, as a hole gets deeper the ratio of spoil to ore is the reverse of what you say.
james, hagetaka used the word 'improve' rather than 'increase'; i.e., your positions are the same.
btw, enjoyed reading your other post.
