In the <a href="https://en.wikipedia.org/wiki/Switzerland" id="mw7A" rel="mw:WikiLink" title="Switzerland">Swiss</a> state of <a href="https://en.wikipedia.org/wiki/Canton_of_Glarus" id="mw7Q" rel="mw:WikiLink" title="Canton of Glarus">Glarus</a>, a <a href="https://en.wikipedia.org/wiki/Rockslide_of_Elm" id="mw7g" rel="mw:WikiLink" title="Rockslide of Elm">rockslide</a> buries parts of the village of <a href="https://en.wikipedia.org/wiki/Elm,_Switzerland" id="mw7w" rel="mw:WikiLink" title="Elm, Switzerland">Elm</a>, destroying 83 buildings and killing 115 people.<sup about="#mwt71" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-11"}}' id="cite_ref-11" rel="dc:references" typeof="mw:Extension/ref"><a href="./September_11#cite_note-11" id="mw8A" style="counter-reset: mw-Ref 11;"><span class="mw-reflink-text" id="mw8Q">[11]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-11"><cite about="#mwt68" class="citation book cs1" id="CITEREFRobin_ChowdhuryPhil_FlentjeGautam_Bhattacharya2009">Robin Chowdhury; Phil Flentje; Gautam Bhattacharya (18 November 2009). <a class="external text" href="https://books.google.com/books?id=JYHVZRcjEPUC&amp;pg=PA305" id="mwCDc" rel="mw:ExtLink nofollow"><i id="mwCDg">Geotechnical Slope Analysis</i></a>. CRC Press. p.<span id="mwCDk" typeof="mw:Entity"> </span>305. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCDo" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCDs" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-0-203-86420-3" id="mwCDw" rel="mw:WikiLink" title="Special:BookSources/978-0-203-86420-3"><bdi id="mwCD0">978-0-203-86420-3</bdi></a>.</cite><span about="#mwt68" class="Z3988" id="mwCD4" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Geotechnical+Slope+Analysis&amp;rft.pages=305&amp;rft.pub=CRC+Press&amp;rft.date=2009-11-18&amp;rft.isbn=978-0-203-86420-3&amp;rft.au=Robin+Chowdhury&amp;rft.au=Phil+Flentje&amp;rft.au=Gautam+Bhattacharya&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DJYHVZRcjEPUC%26pg%3DPA305&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASeptember+11"></span></span>