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Surface Water
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Problem Background
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The Challenge of Quantification
Contents
Agricultural Water Sources
Figure 2.1:
Estimated use of water in the United States 1950-1990 (USGS, published at 5-year intervals)
Subsections
Surface Water
Problem: Downstream Effects
Groundwater
Problem: Groundwater Overdraft
Andy Wingo 2001-12-10
![\includegraphics[width=4in]{water-use.eps}](img1.png)