So that looks fun!  Can you just pull off anywhere (within limits) and pop the top?  Or was that a spur of the moment shot?
Jeff

> Date: Fri, 3 Oct 2014 08:36:24 -0600
> From: Jones@COLORADO.EDU
> Subject: Re: Propex + altitude +placement
> To: vanagon@GERRY.VANAGON.COM
> 
> I have camped at 11,900' several times and my propex
> worked fine.
> 
> http://jones.colorado.edu/Fremont08/Sunrise.jpg
> 
> Richard