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1967 Press Photo Cedar Rapids Dow Surfpac water

Every photo in our collection is an original vintage print from a newspaper or news service archive, not a digital image. Please see our FAQ for more information.

Caption: Two new filtering towers at the Cedar Rapids (Ia. ) Water Pollution Plant represent the largest municipal installation of Dow Chemical Co.'s "Surfpac" filters. Waste water is trickled over the honey comb Dow material at the rate of 25 million gal

The front and back of this photograph are pictured below:

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