<p>Caption on photo: Pete Iverson's Cyote [sic] blast. 254 kegs powder, at "Hole in Wall." Feb. 10-17.
PH Coll 495.168</p>
<ul><li>Subjects (LCTGM): Blasting--Alaska; Rivers--Alaska; Cliffs--Alaska</li>
<li>Subjects (LCSH): Alaskan Engineering Commission; Matanuska River (Alaska)</li></ul>
<bdi><a href="https://www.wikidata.org/wiki/Q62609537" class="extiw" title="d:Q62609537"><span title="Photographer">Phinney S. Hunt</span></a>
</bdi>
<a rel="nofollow" class="external text" href="http://content.lib.washington.edu/alaskawcanadaweb/index.html">Alaska, Western Canada and United States Collection</a>