Ice thickness under the snow in slough across from Walt Peirce's cabin No flash player has been set up. Please select a player to play Flash videos. Video not playing? Update your browser or download the video clip Chas Jones talks about ice thickness under the snow versus in snow-free places. Process Observed: Open Water (Hidden)Thin Ice Date Process Observed: Saturday, March 31, 2012 Galleries: Down the slough across from Walt Peirce's cabin Gallery