A stripe of surface hoar is clearly seen in the pit wall. It is buried 50 cm deep and is showing signs of instability in our Extended Column Tests (ECTP 12, 14 and 15). Photo: A. Fauver
A stripe of surface hoar is clearly seen in the pit wall. It is buried 50 cm deep and is showing signs of instability in our Extended Column Tests (ECTP 12, 14 and 15). Photo: A. Fauver