Moraine crest or slope?

Matthew Tomkins, Jason Dortch, Philip Hughes, Jonny Huck, Raimon Pallàs, Ángel Rodés, James Allard, Andrew Stimson, Didier Bourlès, Vincent R. Rinterknecht, Laura Rodríguez-Rodríguez, Vincent Jomelli, Ramón Copons, Iestyn Barr, Chris Darvill