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Subjects
Groundwater, Pollution, Water quality, Aquifers, Coal mines and mining, Geology, Stratigraphic, Groundwater flow, Stratigraphic GeologyPlaces
Minnesota, Michigan, Mississippi River Watershed, Wisconsin, Minneapolis Metropolitan Area, Saint Paul Metropolitan AreaTime
PennsylvanianID Numbers
- OLID: OL4909607A
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September 20, 2008 | Created by ImportBot | Imported from Oregon Libraries MARC record |