The berg was one of many that accumulate over the LeConte glacier terminal moraine in LeConte Bay.  The berg was perhaps 10-12 feet high overall.  This image is cropped for composition and detail. Not sure what the eagle is eating, probably fish.
<a href="//commons.wikimedia.org/wiki/User:Dankarl" title="User:Dankarl">Dankarl</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>