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Columbia RiverThe Senate of the United States determines by a decisive vote that the monopoly of the Oregon steam navigation company must be broken up; that the work on the canal and locks at the cascades must be vigorously prosecuted speeches of Hon JH Mitchell of Oregon in the Senate of the United States June 11 and 6 1878Book
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River and harbor bill;construction of canal and locks at the cascades of the Columbian River The right of eminent domain Speech delivered in the Senate of the United States August 3 1876Book