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Rio Grande, along the Texas-Mexico Border
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1993
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Bruce Dale
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A tributary empties into the heavily polluted Rio Grande somewhere along its 1,250-mile (2,011-kilometer) Texas-Mexico border. Pollution in the river is a severe problem. Up to a hundred million gallons (379 million liters) of raw sewage flows into the river in a day.
(Photograph shot on assignment for, but not published in, "Tex-Mex: The Winding Border," February 1996, National Geographic magazine)
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