<div class="cbp-l-inline"><img src="/explorations/10thunderbay/logs/media/tracks-800.jpg" alt="Numerous man-made “tracks” found in the northern half of Thunder Bay appear similar to anchor drags, but they are often 17 m (56 ft) wide. Some are raised a few meters above the lake bottom." title="Man-made “Tracks”"></div><div class="cbp-l-inline-below"><div class="cbp-l-inline-title"><span class="glyphicon glyphicon-picture" aria-hidden="true"></span>&nbsp;Man-made “Tracks”</div><div class="cbp-l-inline-subtitle"><em>Image courtesy of Thunder Bay 2010 Expedition, NOAA-OER.</em> <a href="/explorations/10thunderbay/logs/media/tracks-800.jpg" download>Download image (jpg, 50 KB).</a></div><div class="cbp-l-inline-desc"><p>Numerous man-made “tracks” found in the northern half of Thunder Bay appear similar to anchor drags, but they are often 17 m (56 ft) wide. Some are raised a few meters above the lake bottom.</p></div><div class="cbp-l-inline-view-wrap"><a href="/explorations/10thunderbay/logs/summary/summary.html" class="cbp-l-inline-view">Learn more</a></div></div>