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Water Quality and Agrichemical Loading in Two Groundwater Basins of Illinois' Sinkhole Plain

出版	Illinois State Geological Survey, 2003
URL	http://books.google.com.hk/books?id=7XPy3NtEKNwC&hl=&source=gbs_api

註釋

Two karst springs -- Collier and Indian Hole Springs -- drain relatively large groundwater basins in southwestern Illinois' sinkhole plain. Water quality analyses and stream discharge measurements for these springs were used to calculate the total quantity of selected agrichemicals being carried out of the groundwater basins to surface streams.