From the materials for the <a href="https://en.wikipedia.org/wiki/Alaska-Yukon-Pacific_Exposition" class="extiw" title="en:Alaska-Yukon-Pacific Exposition">Alaska-Yukon-Pacific Exposition</a> of 1909, held in Seattle. Photo captioned "Just a bunch of Alders".
Photo by Rollin Sanford. Scanned by the Seattle Public Library.
<i>The Argus</i> Alaska-Yukon-Pacific Exposition special issue, p. 47. <a rel="nofollow" class="external autonumber" href="http://cdm200301.cdmhost.com/cdm4/browse.php">[1]</a> (see filename for exact location)