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ETH Zurich
Department of Earth Sciences
Georesources Switzerland Group
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If not mentioned otherwise (see list below), the copyright for the images on georessourcen.ethz.ch is held by the Georesources Switzerland Group.
- Two frontpage header images: Untervaz quarry, canton of Grisons and Eclépens quarry, canton of Vaud © Holcim (Schweiz) AG