Image:UMRS Lock 12.jpg
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UMRS_Lock_12.jpg (600 × 504 pixel, file size: 49 KB, MIME type: image/jpeg)
Barges at Upper Mississippi River System (UMRS) Lock and Dam 12 at Bellevue, IA. The lock is 110 feet wide by 600 feet long; completed in 1938.
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From the U.S. Army Corps of Engineers website - Navigation Locks and Dams - Inland Waterway System
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- (del) (cur) 17:01, 15 June 2004 . . Bluelion (Talk | contribs) . . 600×504 (50,310 bytes) (Lock on the Mississippi River - PD)
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