Postfrontal Prefrontal 7/30/2005 X Frontal Postfrontal Prefrontal 5/19/2006 X Frontal Postfrontal Prefrontal 7/19/2006 X Frontal Postfrontal Prefrontal 7/26/2006 X Frontal Postfrontal Prefrontal 4/29/2008 Frontal X Postfrontal Prefrontal 5/20/2008 Frontal X Postfrontal X Prefrontal 7/27/2008 X Frontal Postfrontal Prefrontal Stationary trough at 8/31/2008 first Frontal X Postfrontal Prefrontal Stationary trough at 3/4/2009 Frontal X Postfrontal Prefrontal 3/21/2009 X Frontal Postfrontal Prefrontal 6/30/2009 X Frontal Postfrontal Prefrontal 8/5/2009 X Frontal Postfrontal Prefrontal X 8/6/2009 Frontal X Postfrontal Prefrontal 8/30/2009 X Many Obs Frontal Postfrontal Prefrontal 9/30/2009 Frontal X Postfrontal Prefrontal X 3/30/2010 Frontal X Postfrontal X Prefrontal X
Postfrontal 7/30/2005 X Prefrontal Frontal Postfrontal 5/19/2006 X Prefrontal Frontal Postfrontal 7/19/2006 X Prefrontal Frontal Postfrontal 7/26/2006 X Prefrontal Frontal Postfrontal 4/29/2008 Prefrontal Frontal X Postfrontal 5/20/2008 Prefrontal Frontal X Postfrontal X 7/27/2008 X Prefrontal Frontal Postfrontal 8/31/2008 Prefrontal Stationary trough at first Frontal X Postfrontal 3/4/2009 Prefrontal Stationary trough at Frontal X Postfrontal 3/21/2009 X Prefrontal Frontal Postfrontal 6/30/2009 X Prefrontal Frontal Postfrontal 8/5/2009 X Prefrontal Frontal Postfrontal 8/6/2009 Prefrontal X Frontal X Postfrontal 8/30/2009 X Prefrontal Many Obs Frontal Postfrontal 9/30/2009 Prefrontal Frontal X Postfrontal 3/30/2010 Prefrontal X Frontal X Postfrontal X Prefrontal X
Dust_2.5.docx