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.
9 p. Selected pages of the Report of the Chief of Engineers, United States Army for 1882. Included are annual reports upon works of river and harbor improvements for the Willamette and Columbia rivers.
8 p. Selected pages of the Report of the Chief of Engineers, United States Army for 1882. Included are annual reports detailing improvements of rivers and harbors in Oregon and Washington territory.