Cal_Day_2007_04_21_George_Brimhall Cal Day movies opensource_movies This is a presentation given on Cal Day (UC-Berkeley open house) on April 21, 2007. Speaker is George Brimhall, professor of Geology at UC-Berkeley. Abstract: The Berkeley-Oakland hills harbor an archive of geological history, going back more than 100 million years. A vivid record also tells us much about the geological processes active today. Enjoy a pictorial history of the hills and hear how we reconstruct the past and predict the future, using such methods as digital mapping tools, base maps, global positioning systems, and lasers. 2007 2007 geology;global warming;san francisco bay area 2007-04-24 23:15:38 2007-04-24 23:12:08 jeff@teeters.us sound color 59:41 2007-04-24 23:22:49 JeffT