Ключевые слова: america, architecture, ballard, barrier, bay, boat, bridge, building, canal, chittenden, complex, concrete, control, cruises, dam, day, engineer, engineering, fish, gate, hiram, historic, ladder, lake, landmark, lane, lock, machine, migration, motor, motorboat, outdoor, railway, salmon, salt, sea, seattle, shipping, sound, spillway, states, transport, transportation, trestle, united, washington, water, waterway, white, yacht,