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Screw_pumps.jpg (182 × 207 pixels, file size: 27 KB, MIME type: image/jpeg)
Screw pumps used to lift the influent at the Arcata Wastewater Treatment Plant.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:47, 10 May 2008 | | 182 × 207 (27 KB) | BrettWS (talk | contribs) | Screw pumps used to lift the influent at the Arcata Wastewater Treatment Plant. |
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