Ключевые слова: america, architecture, attraction, barrier, boat, bridge, building, canal, city, complex, concrete, control, corps, development, draw, empty, engineer, fish, gate, great, historic, lake, landmark, landscape, lane, lock, machine, metal, migration, outdoor, port, rail, railroad, railway, salmon, sea, seattle, shipping, sky, sound, state, tourism, transport, travel, urban, vacation, washington, water, waterway,