Lake Washington Ship Canal as a consulting engineer and as a Seattle port commissioner until his death in October 1917. The Canal's crossings, from east to west, are: The Lake Washington Ship Canal and the Hiram M. Chittenden Locks are listed on the National Register of Historic Places. The Montlake Cut, along with the Montlake Bridge are City of Seattle Designated Landmarks (ID #107995). Lake Washington Ship Canal The Lake Washington Ship Canal, which runs through the city of Seattle, connects the fresh water body of Lake Washington with the salt water inland sea of Puget Sound. The Hiram M. Chittenden Locks accommodate the
Puget Sound Navigation Company Puget Sound Navigation Company The Puget Sound Navigation Company (PSNC) was founded by Charles E. Peabody in 1898. It operated a fleet of steamboats and ferries on Puget Sound in Washington and the Georgia Strait in British Columbia. Known colloquially as the Black Ball Line, the PSNC achieved a "virtual monopoly" on cross-sound traffic in the 1930s and competed with the Canadian Pacific Railway's steamships on several routes. Before 1927, when the company was controlled by Joshua Green, the house flag consisted of a design by Mrs. Green, a red star on a white diamond on a blue background. After