For what it's worth, some time ago I noticed that the listings at the end of the Egypt/Isis quest line in both the Quests page and the Story Mines page don't quite line up with each other, and don't line up with what I saw.
When I tried to track it myself, I noticed Old Foundry is missing from the Quests page, and it doesn't seem to appear in the right place (?) in the Story Mines page. Tracking the order was pretty confusing as sub-quests are weaving in and out at the end of Isis. I seem to have forgotten to track (or did not see) Riddle Vault of Isis because I do not have quest giver information for that mine.
My notes here: