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Subjects
Groundwater, Pollution, Environmental aspects, Water quality, Agricultural chemicals, Environmental aspects of Agricultural chemicals, Environmental aspects of Irrigation farming, Environmental aspects of Nitrates, Groundwater quality, Irrigation farming, NitratesPlaces
High Plains Aquifer, Nebraska, High Plains, Republican River Watershed (Neb. and Kan.), Seward Region, Texas, United StatesID Numbers
- OLID: OL4954641A
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September 22, 2008 | Created by ImportBot | Imported from Library of Congress MARC record |