Resolution: standard / high
Figure 1.
Change in water supply systems over 50 years (1935, 1965, 1995) Over the years many towns in Oakland County and Genesee County begin to purchase surface water (from Detroit).
AvRuskin et al. International Journal of Health Geographics 2004 3:26 doi:10.1186/1476-072X-3-26
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