English: Section of a wastewater treatment plant. Columbia Boulevard Wastewater Treatment Plant, 5001 North Columbia Boulevard, Portland, Oregon, United States.
Español: Porción de una planta de tratamiento de aguas negras.
العربية: قسمٌ من محطّة معالجة مياه الصرف الصحي في كولومبيا بوليفارد، نورث كولومبيا بوليفارد، بورتلاند، أوريغون في الولايات المتحدة.
The
geographical information in this file was retrospectively estimated. The location may therefore be somewhat imprecise. Verifying and refining these coordinates is strongly encouraged.
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قسمٌ من محطّة معالجة مياه الصرف الصحي في كولومبيا بوليفارد، نورث كولومبيا بوليفارد، بورتلاند، أوريغون في الولايات المتحدة.
{{Information |Description={{en|1=Section of a wastewater treatment plant.}} {{es|1=Porción de una planta de tratamiento de aguas negras.}} |Source=Own work |Author=
Rjgalindo |Date=1 jan 2003 |Permission= |other_versions= }} <!--{{Ima
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