Rock the River: The Canoe and Kayak Club arranged to have a number of large rocks placed in the Yukon River below the water intake. These rocks were placed to provide an extension for the paddling play area. The Club placed the rocks to create a hole and a pressure wave. As part of the conditions for placing the rocks in the river, the Department of Fisheries and Oceans have required an assessment of how the rocks affect salmon populations in the vicinity and whether there has been a change in the river bed as a result of the rock placement. The Experiential Science 11 class and members from two other classes conducted surveys of fingerling by using baited "G" traps during November 98, Dec 98 Feb 99 and twice in March 99. We identified 10 locations along approximately 300 meters of river shore, above and below the rock spur. Two traps were placed above the intake, two other were placed in the vicinity of the intake spur, one between the intake and the rock spur, three in the vicinity of the rock spur and two downriver form the spur. In a number of cases we were not able to place G traps in the same location. not measured locations with a level of precision necessary to find the same locations given the changing layers of shore ice. We were also not able to place traps in some locations because ice changed the current patterns so that eddies were no longer quite water. We were also unable to place tarps because overflow both thickened the depressed the ice so that there was not enough water below the ice to place the traps. None the less, we were able to place traps in a number of the location areas below and above the spurs, around the water intake, above the intake, and well below the spur . These data shows as located at one of the specific areas by the set shows an adjustment so that were still trapping in the general areas.