Lake Washington Ship Canal 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 approximately difference in water level between Lake Washington and the sound. The canal runs east–west and connects Union Bay, the Montlake Cut, Portage Bay, Lake Union, the Fremont Cut, Salmon Bay, and Shilshole Bay, which is part of the sound. The ship canal project began in 1911 and was officially completed in 1934. Prior to construction of the Lake Washington
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