Bærum Tunnel
... that, during the construction of the Bærum Tunnel, an automatic groundwater measuring system was used to compensate for any leaks?
... that, during the construction of the <b id="mwF8E"><a href="./Bærum_Tunnel" id="mwF8I" rel="mw:WikiLink" title="Bærum Tunnel">Bærum Tunnel</a></b>, an automatic <a href="./Groundwater" id="mwF8M" rel="mw:WikiLink" title="Groundwater">groundwater</a> measuring system was used to compensate for any leaks?