Conversation so far:
When did Arthur Evans go to Oxford?
Arthur matriculated on 9 Jun 1870 and attended Brasenose College, Oxford.
Did Arthur Evans earn a degree?
Did Arthur Evans do any archaeology at Oxford?
What else did Arthur Evans do at Oxford?
he chose to read modern history, a new curriculum, which was nearly a disaster, as his main interests were in archaeology and classical studies.“
What did Arthur Evans do in the summer?
In the summertime he was given an ample allowance by his father which he used to adventure around, deliberately seeking out circumstances that might be considered dangerous by some.

Question: what did he do in hallstatt
Self-contained rewrite: What did Arthur Evans do in Hallstatt?