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.
Conservation of natural resources; Recreation; Rivers; Valleys;
ca. 71 p. A report submitted to the National Resources Committee and the state planning boards of Washington and Oregon by the Pacific Northwest Regional Planning Commission, Columbia Gorge Committee,...
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.
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.
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.
6 p. Selected pages of the Report of the Chief of Engineers for 1879. Included are annual reports upon works of river 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.
59 p. Includes sections of Appendix OO: 1882 annual report of Capt. Charles F. Powell, Corps of Engineers, detailing construction, surveys and other works of improvement for the Willamette and Columbia...
9 p. Selected pages from the Annual Report of the Chief of Engineers, United States Army for 1883. Included are annual reports upon works of river and harbor improvements for the Willamette and Columbia...
65 p. Includes sections of Appendix PP: 1883 annual report of Capt. Charles F. Powell, Corps of Engineers, detailing construction, and other works of river and harbor improvements for the Willamette and...
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....
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...
49 p. Includes sections of Appendix SS: 1885 annual report of Capt. Charles F. Powell, and Appendix TT: reports of Maj. W. A. Jones, Corps of Engineers, detailing construction and other works of river...
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...
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...