National Historical Publications & Records Commission

Oregon Improvement Company Records, 1880–1896

(Microfilm Edition)

University of Washington Libraries

Additional information at

The records of a company founded to mine coal and to ship it to Portland and San Francisco. Among its subsidiaries were the Pacific Coast Steamship Company and several northern railroads.

37 reels, 18-page guide


refer to caption


Oregon Improvement Company, The Seattle Daily Times, October 2, 1897


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