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- All Subjects: Geology
- Creators: Schumann, Herbert H.
ContributorsD'Alli, Richard (Producer, Reporter) / Babbitt, Bruce E. (Interviewee) / Carbognin, Laura (Interviewee) / Schumann, Herbert H. (Interviewee) / Péwé, Troy Lewis, 1918-1999 (Interviewee) / Public Broadcasting Service (Broadcaster)
Created1982-05-15
DescriptionHorizon Special: The Unsettled Cities.