Re your query with regard to colour.
Because I like to have a paper copy to read and study I have printed the whole lot, much to the delight of the local paper and ink supplier.
You say there may still be some corrections needed, I have not found any yet, as to the use of colour I think you have got it just about right.
As for the whole thing its a work of art and you are to be congratulated on the effort you have put in producing it.
There should be an "Aditnow" award for such a contribution to the written history of mining/quarrying.:thumbsup: