 |
Hills |
 |
Forest |
 |
Forested Hills |
 |
River |
 |
Mountains |
 |
High Desert |
 |
Marsh |
| Ocean (impassible) |
|
| Swamp (impassible) | |
| High mountains (impassible) |
|
| Desert (impassible) |
|
 |
City |
| US | |
| Mexico |
| Low hills | |
| High hills | |
| River (impassible) |
|
| Ford | |
| Mountain (impassible) |
|
| Pass | |
| Water (impassible) |
|
| Forest | |
| City/village |
 |
Allied units |
 |
Enemy units |
 |
Neutral units |
 |
Both allied and enemy units |
 |
Both allied and neutral units |
 |
Both neutral and enemy units |
 |
Allied, neutral, and enemy units |
 |
Inactive units (same color codes) |
 |
Shattered units (same color codes) |