These avalanches appear to be natural and broke in the 8-10" of snow that fell Thursday (3/15). Photo: GNFAC Forecast link: GNFAC Avalanche Advisory for Sat Mar 17, 2018GNFAC Avalanche Forecast for Sun Mar 18, 2018GNFAC Avalanche Advisory for Mon Mar 19, 2018Bridger Range, 2018-03-17Access other image sizes:Very Large 1200pxLarge 480pxMedium 220pxSmall 150pxOriginal