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sludge

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Bill Herington from Tunla, dressed in scuba gear, try to pump sludge out of a pump at the Water Works Treatment Plant.(Exact date unknown)

Bill Herington from Tunla, dressed in scuba gear, try to pump sludge o...

The original finding aid described this photograph as: Base: Des Moines State: Iowa (IA) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combined M... More

Bill Herington from Tunla (in scuba gear) and Rollie Robins of Colfax try to pump sludge out of a pump at the Water Works Treatment Plant.(Exact date unknown)

Bill Herington from Tunla (in scuba gear) and Rollie Robins of Colfax ...

The original finding aid described this photograph as: Base: Des Moines State: Iowa (IA) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combined M... More

Overhead view of local people trying to pump sludge out of a pump at the Water Works Treatment Plant.(Exact date unknown)

Overhead view of local people trying to pump sludge out of a pump at t...

The original finding aid described this photograph as: Base: Des Moines State: Iowa (IA) Country: United States Of America (USA) Scene Camera Operator: Unknown Release Status: Released to Public Combined M... More

Library of Environmental Images, Office of Research and Development (ORD), September 1996 - Pesticides and Toxics - Land application of sewage sludge

Library of Environmental Images, Office of Research and Development (O...

The original finding aid described this photograph as: Keywords: Agriculture, fertilizer Credit: U.S. EPA Digital Photographs Relating to the Environment

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