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Keywords from Image Description:
PARTIALLY DIGESTED SEWAGE ENTERING TANKS FOR SECONDARY TREATMENT AT THE NEWTON CREEK SEWAGE TREATMENT PLANT IN... NARA . Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor Alexander Hope Photographer File PARTIALLYDIGESTEDSEWAGEENTERINGTANKSFORSECONDARYTREATMENTATTHENEWTONCREEKSEWAGETREATMENTPLANTIN