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Actor Filmography
Title | Character | Year |
---|
Life After People | Self - Geologist, Univeristy of California, Davis | 2009 |
60 Minutes | Himself - Center for Watershed Sciences (segment "Running Dry") | 1968 |
Actor Filmography
Title | Character | Year |
---|
Life After People | Self - Geologist, Univeristy of California, Davis | 2009 |
60 Minutes | Himself - Center for Watershed Sciences (segment "Running Dry") | 1968 |