Brooks Falls Fish Ladder 1951
Katherine Ringsmuth
<p>At the Heart of Katmai: An Administrative History of the Brooks River Area, with Special Emphasis on Bear Management in Katmai National Park and Preserve 1912-2006, US Dept. of the Interior National Park Service, ISBN-978-0-9796432-7-9,
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Research/Resource – Management Report NPS/AR/CRR/2013-77, (<a rel="nofollow" class="external free" href="http://npshistory.com/publications/katm/at-the-heart-of-katmai.pdf">http://npshistory.com/publications/katm/at-the-heart-of-katmai.pdf</a>)