Bretwood M Higman, Ground Truth Trekking, Seldovia, AK, United States, Anja Dufresne, RWTH-Aachen University, Ingenieurgeologie und Hydrogeologie, Aachen, Germany, Edward Berg, US Fish and Wildlife Service, Kenai National Wildlife Refuge, Soldotna, AK, United States, Marten Geertsema, FLNRO, Prince George, BC, Canada, Patrick J Lynett, University of Southern California, Los Angeles, CA, United States, Nicholas J Roberts, Simon Fraser University, Burnaby, BC, Canada and Michael Loso, Alaska Pacific University, Anchorage, AK, United States