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Subject Topical
- War in the Gulf10
- Water treatment plants9
- Coal7
- Veterans7
- Coal mines and mining6
- Local transit6
- National Highway System6
- Lungs--Dust diseases5
- Outdoor recreation5
- Wild and scenic rivers5
- Historic preservation4
- Museums4
- Reclamation of land--United States4
- Social Security4
- Surplus government property4
- Water quality4
- Air travel3
- Coal mines and mining--Safety regulations3
- Conservation3
- Education3