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HistoryOn the Clackamas rapids below Oregon City, thirty thousand dollars was ex pended in removing obstructions to steamers, and the channel was also cleared to Salem in 1852. The Tualatin River was made navigable for some distance by private enterprise. A canal was made to connect La Creole River with the Willamette. The Yamhill River was spanned at Lafayette with a strong double- track bridge placed on abutments of hewn timber, bolted and filled with earth, and raised fifty feet above low water. 14 This was the first structure of the kind in the country. prev next |