Found this one...
Looks like this people are the owners http://www.merrymakerscaravan.org/ (http://www.merrymakerscaravan.org/)
More info... http://blog.hemmings.com/index.php/2006/08/25/more-scenicruisers-full-of-hippies/ (http://blog.hemmings.com/index.php/2006/08/25/more-scenicruisers-full-of-hippies/)