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Subjects
- Cattle--Feeding and feeds.1
- Courts--Michigan--Grand Rapids.1
- DDT (Insecticide)--Environmental aspects.1
- Dairy farmers--United States--History--20th century.1
- Dairy farming--Economic aspects--Michigan1
- Dairy farming--Michigan1
- Fairs--Michigan.1
- Farmers--Michigan.1
- Feeds--Contamination--Michigan.1
- Hazardous waste site remediation--Japan.1
- Hazardous waste site remediation--Scotland.1
- Hazardous waste site remediation--United States.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
- Pesticides--Environmental aspects--Michigan.1
- Petroleum industry and trade--Florida--History.1
- Petroleum industry and trade--Illinois--History.1