Looks like an interesting start! And yes, tanning was pretty smelly - the skin is soaked in a big vat of urine at one point so well.. yes. Tallow making was another smelly trade. Making dyes is another trade that involves the use of urine. Those sorts of trades often got clumped together in one area in larger places.

What period village maps are you trying to track down? I might have something I can dig up.