9 p. Selected pages of the Report of the Chief of Engineers, United States Army for 1886. Included are annual reports upon works of river and harbor improvements for the Willamette, Columbia and Snake rivers.
8 p. Selected pages of the Report of the Chief of Engineers, U. S. Army, for 1880. Included are annual reports detailing improvements of rivers in Oregon and Washington territory.
67 p. Includes sections of Appendix QQ: 1886 annual report of Major W. A. Jones, and selections from Appendix RR, reports of Capt. Charles F. Powell, Corps of Engineers, detailing construction, maps and other works related to river and harbor improvements for the Willamette, Columbia and Snake rivers.
12 p. Selected pages of the Report of the Chief of Engineers, United States Army for 1885. Included are annual reports upon works of river and harbor improvements for the Willamette, Columbia and Snake rivers.
11 p. Selected pages of the Report of the Chief of Engineers, United States Army for 1884. Included are annual reports upon works of river and harbor improvements for the Willamette and Columbia rivers.