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1898
Improvement of Umpqua River, Oregon In Annual Reports, War Department.. Vol. Appendix TT 7. Appendix TT. Improvement of rivers and harbors in Oregon, of upper Columbia River and tributaries, Oregon and Washington, and of Clearwater River, in Idaho. Report for the fiscal year ending June 30, 1898, with other documents relating to the works. Off Appendix TT 7. Washington, D.C., 1898.
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