On verso of image: Fertilizing salmon eggs as extruded from female. Salmon hatcheries .  In Folder F116
<ul><li>Subjects (LCSH): Fish hatcheries--Alaska; Salmon industry--Alaska; Salmon--Eggs--Alaska; Fishes--Artificial spawning--Alaska</li></ul>
<bdi><a href="https://en.wikipedia.org/wiki/en:John_Nathan_Cobb" class="extiw" title="w:en:John Nathan Cobb"><span title="American academic">John Nathan Cobb</span></a>
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<a rel="nofollow" class="external text" href="http://content.lib.washington.edu/cobbweb/index.html">John N. Cobb Photographs</a>