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...
4 p. Selected pages of the Report of the Chief of Engineers for 1875. Includes reports on the improvement of rivers in Oregon and Washington territory.
1 p. A brief description of the Columbia River and the proposed building of the Celilo Canal between Celilo Falls and The Dalles in Oregon as an aid to inland navigation and commerce in the region.