TREASURE MAP 1/1
Coordinates: [712433; 3416047]
Note: The map you're looking for is located on the first floor of the research facility - you can get there after solving the elevator puzzle. Before starting to explore this area, eliminate two bandits.
Once you get to the fork, turn left. Approach crates and climb them.
Wait until Lara gets to a small area and turn right. The treasure map lies on one of crates and after you pick it up, you'll obtain information about locations of all missing secrets (except Sun Killer category (reward: 25 XP).