This is part of the crown to a natural avalanche. See the full slide at http://www.mtavalanche.com/images/12/mcatee-avalanche and crown profile at http://www.mtavalanche.com/images/12/mcatee-wilderness-boundary-snowpit?size=_original Total snowpack depth is 150 cm and the avalanche broke on a layer of 1.5mm facets at 66cm above the ground. It was about 3 ft deep. Photo GNFAC
Advisory Year