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Subjects
Groundwater, Pollution, Environmental aspects, Herbicides, Nitrates, Quality, Agricultural chemicals, Aquifers, Autonomy and independence movements, Composition, Decentralization in government, Environmental aspects of Agricultural chemicals, Environmental aspects of Herbicides, Environmental aspects of Nitrates, Environmental aspects of Volatile organic compounds, Floods, History, Law and legislation, Physiological effect, Referendum, Sampling, Social conflict, Stream measurements, Toxicology, Volatile organic compoundsPlaces
Middle West, Bolivia, Clayton County, Iowa, Mississippi River Valley, Mississippi River Watershed, Missouri River Valley, Santa Cruz (Bolivia : Department), Santa Cruz (Department), United StatesID Numbers
- OLID: OL422123A
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April 1, 2008 | Created by an anonymous user | initial import |