Tree-ring Dating of the Little Ice Age Maxima of Arolla Glaciers (Valais, Switzerland)

We are indebted to Jean-Louis Edouard (Aix-Marseille Universite) for pointing us to archival Albert Bezinge/Friedrich Rothlisberger's samples and allowed tree-ring measurement on it, as well as to Fritz Schweingruber (WSL, Birmensdorf) and Martin Schmidhalter (Dendrosuisse, BrigGlis) for making early measurements of Rothlisberger's samples available. We warmly thank Conradin Zahno (Geotest AG, Zurich) for useful information about former mapping and dating efforts carried out at TN in the early 2000s, and Andreas osterreicher (Universitat Innsbruck) for help in the field and some tree-ring measurements. We are grateful for comments made by Philippe Schoeneich (Universite Grenoble Alpes) on an earlier version of the manuscript and to the two anonymous reviewers for their relevant remarks.