Makalu French approach route 1954 and 1955
U.S. Army Map Service and <a href="//commons.wikimedia.org/wiki/User:Thincat" title="User:Thincat">User:Thincat</a>
1955
<a href="//commons.wikimedia.org/wiki/File:Map_India_and_Pakistan_1-250,000_Tile_NG_45-3_Kanchenjunga.jpg" title="File:Map India and Pakistan 1-250,000 Tile NG 45-3 Kanchenjunga.jpg">File:Map India and Pakistan 1-250,000 Tile NG 45-3 Kanchenjunga.jpg</a> and <span class="int-own-work" lang="en">Own work</span>