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John L

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27
Joined
January 21, 2006
Last visited
November 27, 2011

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Looking for a Name/Title

By John L, September 14, 2011 in Chemistry
- 10 replies
- 2830 views
Clovis Comet & North American Mass Extinction

By John L, June 8, 2008 in Ecology and the Environment
- 1 reply
- 1812 views
Small Comets, Dr Louis Frank, & Water in Space

By John L, January 21, 2006 in Astronomy and Cosmology
- 8 replies
- 1926 views

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