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Tower Bridge over the Thames River in London, England. Opened in 1894. Remains an Important Traffic Route with 40,000 Crossings Every Day.
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Ontario

Oregon, United States
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History

Ontario, city, Malheur county, eastern Oregon, U.S. It lies at the juncture of the Snake and Malheur rivers, 60 miles (97 km) west of Boise, Idaho, on the historic Oregon Trail. A gateway to the Oregon cattle country, it grew after the building of the Union Pacific Railroad in 1884 and was named for the province of Ontario, Canada. The city has food-processing industries based on the potatoes, sugar beets, alfalfa, onions, and corn (maize)...

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