Comments on: pressure_ridges_20_JRandAnn http://www.phys.cwru.edu/sites/johnruhl/2014/11/22/pressure-ridge-tour/pressure_ridges_20_jrandann/ Physics and other fun stuff Tue, 20 Dec 2011 23:38:40 +0000 hourly 1 https://wordpress.org/?v=4.7.18