Boundary Waters wildfires could smolder until snow falls Fueled by dry fir and spruce trees, the larger forest fires are too intense for firefighters to extinguish without help from the weather. By Dave Orrick and Bob Timmons The Minnesota Star Tribune “It’s way beyond the ability of firefighting crews to suppress,” said Lee Frelich, director of the University of Minnesota’s Center for Forest Ecology and an expert on the fire ecology of northern Minnesota forests. https://www.startribune.com/boundary-waters-wildfires/601867991?utm_source=gift #Minnesota #conifers #BWCA #wildfires