Geologische Skizze der Alpen. M.B. Mont Blanc, A.R. Aiguilles Rouges
(drawn by <a href="https://nl.wikipedia.org/wiki/User:Woudloper" class="extiw" title="nl:User:Woudloper">Woudloper</a>, modified by <a href="//commons.wikimedia.org/wiki/User:Jo_weber" class="mw-redirect" title="User:Jo weber">Jo Weber</a>)
Translated from english version. Originally from <a class="external text" href="https://nl.wikipedia.org">nl.wikipedia</a>; description page is/was <a class="external text" href="https://nl.wikipedia.org/w/index.php?title=Image%3AAlps_geology_map_.jpg">here</a>.