On May 12, 2014, at 7:22 PM, Eric Black wrote (re "Zia formation")
In the thread Eric cites, there are a couple references to what
seems to be the original use of "Zia" formation, "Weston Mountain
Zia". When I clicked on the link in those messages from 2008
http://fam.bmi.net/zia.htm
I found it was no longer valid. A little searching revealed the
the information is now at
http://fam.bmi.net/westonmtzia.htm
--Jim