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Subject
Administrative and Political Boundaries
45
Roads
22
Railroads
20
Transportation
17
Military
3
Administrational and Political Boundaries
2
Agriculture
2
Industry
2
Population
2
Railroad
2
Trail
2
Transporation
2
802382 (R01813) 5-95
1
Airfield
1
Boundaries
1
Capitals
1
Claims
1
Economic Activity
1
Energy
1
Ethnic Distribution
1