Form Based drawings?

In that case take a look at the attached: compares row/column to know whether it should populate a cell or not.

I also made a scatterplot chart that reproduces the diagram more exactly, although the series will have to be re-colored etc to make them look the way you want.

(And a bar chart for the boreholes, that was pretty straightforward).

Ben,

Thank you! You have given a great building block s that I can work on to get it the way I need it!
I would give you move reputation but it will not let me give it again!

But many thanks!