http://netvouz.com/rndwalker/tag/geology?feed=rss rndwalker's bookmarks tagged "geology" on Netvouz http://volcano.und.edu/vwdocs/volc_images/north_america/california/amboy.html California rndwalker Sun, 15 Apr 2007 02:29:26 GMT http://vulcan.wr.usgs.gov/LivingWith/VolcanicPast/Places/volcanic_past_california.html America's Volcanic Past - California California rndwalker Mon, 21 May 2007 03:57:58 GMT