<a href="https://en.wikipedia.org/wiki/Tuxedni_Bay_Pictograph_Site" class="extiw" title="en:Tuxedni Bay Pictograph Site">Tuxedni Bay Pictograph Site</a>, Alaska.  Image has been digitally enhanced to bring out detail.
James Henderson, on contract to the National Park Service
<a rel="nofollow" class="external free" href="https://www.nps.gov/lacl/learn/historyculture/upload/Where-We-Found-a-Whale-Fagan-508-compliant-med-res.pdf">https://www.nps.gov/lacl/learn/historyculture/upload/Where-We-Found-a-Whale-Fagan-508-compliant-med-res.pdf</a> (PDF page 65)