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Folder, "Quality of the Environment," Office Files of Joseph A. Califano, Box 63 (Item)
  • mile in Los Angeles in 1962 was 1,350. The corresponding figures for other major American cities were: Chicago, 1,541; Detroit, 1,580; New York City, 2,220; Philadelphia, 3,730; and Washington, D.C., 4,100. Mr. MacKenzie also presented data