California, coast, Pacific Coast, off shore, offshore, water, waters, coastal, near-shore, nearshore, pollution, oil spill, spills, San Francisco, Golden Gate, vessel, vessels, traffic, collision, risk, disaster, at sea, sea, ocean, Pacific Ocean, North American trade, world trade, maritime trade, trade, shipping, Pacific Rim trade, Pacific Rim, exports, imports, World Trade Organization, WTO, ships, freighters, cargo ships, cargo, tankers. Oil tankers, bulk carriers, ocean going, progress, economy, indicators, cost of goods sold, world economy, sea going, ships passing, ship as sea, ocean-going trade, US export trade, us exports, trade imbalance, hard goods, shipping exports, ship at sea, Picture, pictures, image, images, photograph, photographs, copy space, copyspace, stock, stock photography, Horizontal