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Discharge Ratings for Tainter Gates and Roller Gates at Lock and Dam No. 7 on the Mississippi River, La Crescent, Minnesota
S. R. CorsiJ. G. Schuler
出版U.S. Department of the Interior, U.S. Geological Survey, 1995
URLhttp://books.google.com.hk/books?id=DGruAAAAMAAJ&hl=&source=gbs_api
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