Including Original "Paul H. Letters" Copyright © 1996-2018 Paul V. Heinrich - All rights reserved.



Monday, 21 October 2013

Ongoing Geological Research Into Devonian Mass Extinction

Ongoing Geological Research Into Devonian Mass Extinction

Appalachian geology professors collect evidence
of mass extinction that occurred in Central Asia
Appalachian State UniversityNews, October 8, 2013
http://www.news.appstate.edu/2013/10/08/mass-extinction/

Yours,

Paul H.