Aerial showing barges along the Mississippi River December 12, 2012 near St. Louis, MO. Severe drought has affected water levels in the Mississippi River exposing shoals and slowing barge traffic on the river. About 50 percent of US produced grain is transported on the river which is essential to the economy.

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Aerial showing barges along the Mississippi River December 12, 2012 near St. Louis, MO. Severe drought has affected water levels in the Mississippi River exposing shoals and slowing barge traffic on the river. About 50 percent of US produced grain is transported on the river which is essential to the economy.

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Size: 5250px × 3271px
Location: St Louis, MO, USA
Photo credit: © DOD Photo / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aerial, agriculture, america, barge, barges, boats, cargo, chain, change, climate, day, drought, economy, global, horizontal, lock, louis, midwest, mississippi, mo, river, rocks, shipping, ships, st, traffic, transport, transportation, usa, warming