Antarctic principal geographic features, with ice shelves labeled
Source:<a rel="nofollow" class="external text" href="https://pubs.usgs.gov/fs/fs50-98/">Coastal-Change and Glaciological Maps of Antarctica</a>. <i><a href="https://en.wikipedia.org/wiki/USGS" class="extiw" title="en:USGS">USGS</a> Fact Sheet 050-98</i>. Retrieved on <span class="mw-formatted-date" title="02-28">February 28</span>.
<a rel="nofollow" class="external text" href="https://pubs.usgs.gov/fs/fs50-98/">U.S. Geological Survey Fact Sheet 2005-3055</a>