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1كتاب
المؤلفون: Jacobs, Chip.
المساهمون: Kelly, William J., 1953-
مصطلحات موضوعية: Environmental Restoration and Remediation., Air Pollution., History, 20th Century., Environmental Restoration and Remediation -- history., Smog., Air Pollution -- history., Smog -- California -- Los Angeles., Air -- Pollution -- California -- Los Angeles., History.
جغرافية الموضوع: Los Angeles., California., Los Angeles (Calif.) -- History -- 20th century., Los Angeles (Calif.) -- Environmental conditions.