<p>Caption on image: The leveling of the hills to make Seattle. Copyright 1910 by Asahel Curtis</p>
<ul><li>Subjects (LCSH): Denny Regrade (Seattle, Wash.); Grading (Earthwork)--Washington (State)--Seattle; Buildings--Washington (State)--Seattle; Seattle (Wash.)--Buildings, structures, etc.</li></ul><hr>
University of Washington Libraries says 1910, but that seems a bit of a late date.
<bdi><a href="https://en.wikipedia.org/wiki/en:Asahel_Curtis" class="extiw" title="w:en:Asahel Curtis"><span title="American photographer">Asahel Curtis</span></a>
</bdi>
before 1910 <div style="display: none;">date QS:P571,+1910-00-00T00:00:00Z/7,P1326,+1910-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="http://content.lib.washington.edu/seattleweb/index.html">Seattle Photographs</a>