D15 fist D17 crust D18 4f D19 crust D23 1f D34 4f D40 1f Height of pit was 167cm, dug down to old boiler plate crust. ECT settled D15 on a layer of facets, however did not slide and was not a clean shear. Rustchblock fractured d15 on same crust and slid off at RB6.

Source: Avalanche Canada MIN