Map # 1
The first fragment can be found in the East, in a small house, in a box near the bed. As a rule, the house is empty, but it is possible to meet an elderly lady in the company of several dogs at once. You will have to get rid of them, otherwise there is a risk of getting a bullet from a harmless-looking old woman.
Map # 2
The second fragment is hidden in the cabin above Annesburg, in a box next to the chimney. This building is usually empty, but not always. While searching for the map, Arthur may meet two people who will immediately start shooting at the main character.
Where to find Otis Miller's revolver
As a result, these two maps will lead Morgan to a cave East of Twin Rocks. The treasure will be in the chest. In addition, Arthur will find several cigarette cards there.