Can I suggest that we have a group focus to get one area completely mapped. We're nearly there with the Avenues at E.
Please post your results. Including failures, no failure messages and successes.
Organisation is always welcome in this sort of things. I am currently focused on D and G clusters. If enough people are interested in some form of organisation, then we should make a list of who explores where, and what sheet they put their data into, then this whole thing could go much faster and smoother.