53 p. Includes sections of Appendix QQ: 1884 annual report of Capt. Charles F. Powell, Corps of Engineers, detailing construction, surveys and other works of river and harbor improvements for the Willamette and Columbia rivers.
Page 304 of Volume II, Part I of the “Report of the Secretary of War in being part of the Message and Documents Communicated to the Two Houses of Congress at the Beginning of the Second Session of the Fiftieth Congress.