The Geological Society of Switzerland publishes in this volume a selected number of contributions presented during a scientific conference on "Lake Systems from Ice Age to Industrial Time" at Yverdon from 17 to 20 October 2001. Contents include: Lake Neuchatel; Lake Geneva; Rhone; Schwendisee; Steinsee, Lac de Lautrey; Lac de Morat; and Wettingen Reservoir.