Just curious. The article said that Texas (among other areas) had caves with
this "Black Mat" layer. Which caves? Does anyone know?> Date: Tue, 9 Dec 2008
21:31:29 -0600> From: dlocklea...@gmail.com> To: o...@texascavers.com> Subject:
[ot_caving] meteorite and cave story> >
http://www.theprogressortimes.com/news/articles.asp?articleID=10335> >
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