William H. Langer

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Credits
1 title

Self (1 title)
Modern Marvels (2001) (TV Series) - Self - Research Geologist, U.S. Geological Survey (1 episode, 2001) Self - Research Geologist, U.S. Geological Survey (1 episode, 2001) See fewer Quarries (Sep 18, 2001) Season 7, Episode 27 - Self - Research Geologist, U.S. Geological Survey Self - Research Geologist, U.S. Geological Survey See fewer

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Contacts