Subject
- Boundaries23
- Scanned maps12
- Administrative and political divisions10
- Society10
- Cemeteries6
- Concessions5
- Borders4
- Intelligencemilitary4
- Sino-mongolian Border4
- Transportation4
- Boundary disputes3
- Disputed Boundaries3
- Historical geography3
- Imagery and Base Maps3
- Location3
- Atlas map2
- Countries2
- Economy2
- Infrastructure2
- Populated Places2