Construction plan of the <a href="https://en.wikipedia.org/wiki/Hiram_M._Chittenden_Locks" class="extiw" title="w:Hiram M. Chittenden Locks">Hiram M. Chittenden Locks</a>
A. W. Sargent, U.S. Assistant Engineer
Lake Washington Ship Canal, Seattle, Wash. The Military Engineer. July-August 1920. Vol. 12, Issue 64. p. 323