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Subject
- Floods25
- Disaster relief19
- Humanitarian assistance15
- Health facilities10
- Geology5
- Administrative and political divisions1
- Barrages1
- Dams1
- Engineering geology1
- Flood control1
- Forest landowners1
- Forest management1
- Forests and forestry1
- Geology, Structural1
- Livestock marketing1
- Mines and mineral resources1
- Overland journeys to the Pacific1
- Phytogeography1
- Roads1
- Volcanic ash, tuff, etc1
