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...
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...
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...
58 p. Includes sections of Appendix OO: 1881 annual report of Maj. G. L. Gillespie, Corps of Engineers, Bvt. Lieut. Col., detailing construction, navigation, surveys and other works of river improvements...
58 p. Includes sections of Appendix OO: 1881 annual report of Maj. G. L. Gillespie, Corps of Engineers, Bvt. Lieut. Col., detailing construction, navigation, surveys and other works of river improvements...
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.
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.
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.
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.
Rivers; Civil engineering; Railroad construction & maintenance;
78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can...
Rivers; Discovery & exploration; Commerce; Indians of North America; Navigation;
2 p. Article detailing the discovery and early exploration of the Columbia River. There is also some focus on the placement and expected future greatness of Astoria.
A black and white image showing dredging of the Columbia River near the site in Portland where the Interstate Bridge across the Columbia was being built. Trees bare of leaves line the riverbank. In the...
A wooden building with a peaked roof and many windows along the side closest to the viewer is situated on the edge of a cliff overlooking the Columbia River. The river is on the right and can be seen flowing...
Leafless trees are partially submerged in the water of the Columbia River which has overrun its banks. In the background a shoreline with a hillside is faintly visible.
1 p. A letter from W. H. Ballou to the editor of Scientific American discussing statements made by J. F. McIndoe about the south jetty at the mouth of the Columbia River. The letter discusses discrepancies...
A tinted postcard view. At the top in red is the legend "Columbia River and Table Mountain". In the foreground a lush meadow and a line of trees and bushes slopes towards the river. At the left of the...
Old dock along Columbia River at Astoria, with mouth of river in distance. There are several buildings visible on the dock, with what appears to be smoke rising from a pipe on the roof of one of the buildings....