From John Cobb field notebook: Alaska-Perseverance Mine, Silver Bow Basin, Alaska. Aug 21, 1910
<ul><li>Subjects (LCTGM): Gold mining--Alaska--Silverbow Basin</li>
<li>Subjects (LCSH): Alaska Perseverance Company; Gold mines and mining--Alaska--Silverbow Basin</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>