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Water Pollution
Reporting pollution.
United States claims great progress in cutting mercury pollution.
Assign three to study, devise plan to protect state water.
Bad water at stops on Interstate-80.
Lake Easter pollution within 'normal' range.
Blame sewage for fish kill, Dubuque.
Mason City's river taxed by wastes.
Mauss slough warning issued, Dubuque
Widespread ammonia pollution by municipal sewage plants is told by pollutio
1,000-animal-unit lots must have 'waste permit.'
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