Johnston, Jeremy, Predicting the effects of snowmobile produced poly aromatic hydrocarbons on aquatic and terrestrial ecosystems, Trent University, 2003
Crowe, Erin, Determining the Relative Contribution from Snowmobiles to an Acid Pulse Effect in the Watershed of the Haliburton Forest, Trent University, 2004
Report addresses concerns of staff at Haliburton Forest regarding the environmental impacts of snowmobiling.