FILE--Park workers make maple syrup over a wood fire at Bronte Provincial Park in Oakville, Ont., west of Toronto, Friday, March 14, 2008. Mining the liquid gold flowing from maple trees in parts of Eastern Canada is proving to be a difficult task this year.A combination of unpredictable weather and heavy snowfall this past winter is causing monumental headaches for maple syrup producers. THE CANADIAN PRESS/Richard Buchan