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- Geology7
- Nautical charts4
- Geomagnetism3
- Railroads3
- Coasts2
- Forests and forestry2
- Magnetic anomalies2
- Maps2
- Mines and mineral resources2
- Roads2
- Streets2
- Administrative and political divisions1
- Asheboro1
- Census districts1
- Cities and towns1
- Coaching (Transportation)1
- Coal1
- Coal mines and mining1
- Copper mines and mining1
- Express highways1
