Railway bridge under construction in Box Canyon, over the Pend Oreille River, 1910 or earlier.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="https://babel.hathitrust.org/cgi/pt?id=mdp.39015010881814&amp;view=1up&amp;seq=992">The Idaho &amp; Washington Northern</a> p.960. The Railroad Gazette, Inc..