<html> <head> <style></style></head> <body class='hmmessage'><div dir='ltr'> <br>  I'm not an active gazer these days, but was in the Park a lot back in the early 1980s.  I've been following the Black Diamond story, did a Google search and came up with these pictures from 2009.<br><br>  Sorry if they have been posted here before, but I was wondering : Are these indeed pictures of a Black Diamond eruption ?<br><br>  If so, they are awfully dramatic.<br><br><font style="font-size: 10pt;" face="Tahoma" size="2"><a href="http://www.greateryellowstonescience.org/sites/default/files/references/YS_18_1_Heasler_sm.pdf">http://www.greateryellowstonescience.org/sites/default/files/references/YS_18_1_Heasler_sm.pdf</a><br><br>  Bob Johnson<br>  Bend Oregon<br></font><br> <br> </div></body> </html>