Topographic survey sheets from Chittenden's 1907 flood report, lower White, Duwamish and Puyallup Rivers
Hiram Chittenden was an army engineer tasked with studying flood control issues in the White River watershed in 1907, following the major 1906 avulsion of the White River. As part of that work, he conducted a series of detailed topographic surveys of the lower White, Puyallup and Duwamish Rivers in 1907, including …