Lola's Treasure Map

Notes : Right click this item to begin the quest. 
Map displays this when you click on it:
First Hint: North of Hidden Valley Mines
Second Hint: West of Moongorge
Third Hint: North East of Dead Tree Cave
Fourth Hint: South East of Barren Caves
Mystery Numbers: (50.3, 36.6)
This seems to indicate that the mound you need is somewhere near the , but that is nowhere close to .
I found at , just north of .