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://books.google.com/books?id=5kg_AQAAMAAJ&amp;pg=PA959&amp;source=gbs_toc_r&amp;cad=4#v=onepage&amp;q&amp;f=false">The Idaho &amp; Washington Northern</a> p.959. The Railroad Gazette, Inc..