Newspaper image leadville mining - library of congress
<p>Illus. in: Frank Leslie's illustrated newspaper, 1879 April 12, p. 181.
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 Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA
<a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/resource/cph.3b35997/">https://www.loc.gov/pictures/resource/cph.3b35997/</a> Illus. in: Frank Leslie's illustrated newspaper, 1879 April 12, p. 181.