Treasure map \"Trail of the elements\" (Red Dead Redemption 2)

Hello! When the plot became available, the territory of new Austin, in the most Western part of this map, were running around looking for the second part, but in vain, although the guideline is very simple. Frankly, I'm not all the cards he was looking for some peeped in the Internet. But according to this map, surprisingly, in the Internet no information.


Here is her location.
Spoiler
In this place on the mountainside will be hanging by a rope the corpse, it perestelit and search the body