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fossil coal ball source

Gary Hannan bio_hannan at ONLINE.EMICH.EDU
Wed Mar 15 09:50:39 EST 2000

I am teaching a survey of the plant kingdom course for K-12 teachers.  I
have several fossil coal balls of my own, but I am looking for a source
that the teachers can use to get their own.  I thought that Ward's sold
them, but they are not in their current catalog.  Does anyone know of a
commercial source of them?
If anyone would like the simple procedure for making coal ball peels, let
me know and I can e-mail the method (or post to group)


Gary Hannan

Gary Hannan
bio_hannan at online.emich.edu
Biology Dept.
Eastern Michigan University
Ypsilanti, MI  48197
(734) 487-4399


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