Hidden open water at lower end of Hotcake Slough 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 how quickly this location changed from open water to solid ice, and how easily it is for water to be hidden by snow cover or thin ice. Process Observed: Open Water (Hidden) Date Process Observed: Saturday, March 31, 2012 Galleries: Main part of the Tanana River at lower end of Hotcake Slough Gallery