By ALAN SAYRE, Associated Press Writer Fri Jul 25, 12:45 PM ET
Nearly 200 ships are stacked up in a bottleneck on the bustling waterway to commerce. A stretch of the river has been closed since Wednesday, when a barge split open in a collision with an oil tanker. Port officials say it will take days to clear the idled ships.
Roughly 419,000 gallons of oil spilled on the river.
Authorities are investigating why there wasn't a properly licensed pilot aboard the tugboat towing the barge that contained the oil.
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