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Water Pollution
Creosote leaks into Mississippi River.
Doctor Robert R. Morris denies that Iowa cities and industries are pollutin
Pollution control inaction.
2 Iowa State University courses on water problems.
Let's save our beaches - oil pollution - the newest threat to vacationers.
More fish die in Des Moines River, probe cause.
Tough action on river pollution.
Iowa pollution toll: number 1
Decide on legal action to force Spence Packing Corporation to reduce untrea
7 million gallons of raw sewage dumped daily into Mississippi River because
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