42 p. Includes sections of Appendix JJ: 1878 annual report of Maj. John M. Wilson, Corps of Engineers, detailing surveys and works of river improvements for the Willamette and Columbia rivers.
63 p. Includes sections of Appendix JJ: 1877 annual report of Maj. John M. Wilson, Corps of Engineers, detailing surveys and statistics about and works of river improvements for the Willamette and Columbia rivers.
65 p. Selected sections of Appendix GG: Report of Major N. Michler, Corps of Engineers. Included are annual reports upon works of river improvements for the Willamette, Columbia, and Snake rivers.
53 p. Includes sections of Appendix KK: 1879 annual report of Maj. John M. Wilson, Corps of Engineers, detailing surveys and works of river improvements for the Willamette and Columbia rivers.
19 p. Selected pages of the Report of the Chief of Engineers for 1871. Also includes annual report on the works of river improvement in Oregon for the fiscal year.