Possible Starting Location?

[BrownBearDeposit]

Hey everyone, new to the forum. I was thinking about "warm waters halt," I noticed that many people talk about the hot springs. But what about the cold springs? I looked on google maps and there were several cold springs that mark a pretty consistent line across the middle of Wyoming. Could this be a good starting point? Anyone else notice this that would like to expand on this?
Or maybe direct me to a thread that's already talking about this? I've been searching but I can't find anything on it.