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Subjects
- Antiques.1
- Environmentalism--United States--History--20th century.1
- Environmentalism--United States--History--21st century.1
- Fairs--Michigan.1
- Gardening--Societies, etc.1
- Hunting--Michigan.1
- Natural gas--Michigan--History.1
- Oil and gas leases--Michigan.1
- Oil well drilling rigs--Michigan.1
- Oil wells--Blowouts--Michigan.1
- Petroleum industry and trade--Florida--History.1
- Petroleum industry and trade--Illinois--History.1
- Petroleum industry and trade--Michigan--History.1
- Petroleum industry and trade--Ohio--History.1
- Petroleum industry and trade--Texas--History.1
- Petroleum refineries--Michigan.1
- Petroleum workers--Michigan--History.1
- Petroleum--Michigan--History.1
- Salt industry and trade--Michigan.1
- Schools--Michigan--Mount Pleasant.1