Lake Washington Ship Canal begun in 1906, and work began in earnest five years later. The delays in canal planning and construction resulted in the U.S. Navy building the Puget Sound Naval Shipyard in Bremerton, Washington, which is located across the Sound from Seattle. For centuries, people had been dragging boats between the lakes, giving names like "carry a canoe" "sxWátSadweehL" to the crossing points. In 1854 Seattle pioneer Thomas Mercer proposed canals connecting Lake Union and Lake Washington to Puget Sound in a speech at the first Independence Day celebration of the Seattle area's first permanent white settlement, shortly after its founding. Mercer
Puget Sound Naval Shipyard and Intermediate Maintenance Facility units are a comprehensive representation of the historic features of the naval shipyard. Puget Sound Naval Shipyard and Intermediate Maintenance Facility Puget Sound Naval Shipyard and Intermediate Maintenance Facility (PSNS & IMF) is a United States Navy shipyard covering 179 acres (0.7 km²) on Puget Sound at Bremerton, Washington in uninterrupted use since its establishment in 1891; it has also been known as Navy Yard Puget Sound, Bremerton Navy Yard, and Puget Sound Naval Shipyard. It is bordered on the south by Sinclair Inlet, on the west by the Bremerton Annex of Naval Base Kitsap, and on the north and