Article from Scientific American describing the building of the Columbia River Highway, including construction details. The article also contains four photographs: one depicting the bridge at Shepperd's Dell, one depicting the entrance to the observatory tunnel, one depicting Mitchell's Tunnel through Storm Cliff; one showing the overlook at Crown Point on the Columbia River.
4 p. Selected pages of the Report of the Chief of Engineers for 1878. Included are annual reports detailing improvements of the Columbia, Snake, and Willamette rivers in Oregon and Washington territory.
13 p. Selected pages of the Report of the Chief of Engineers for 1873. Also included are annual reports on the works of river improvement for the Willamette and Columbia rivers, Oregon.
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 Columbia rivers.
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 for the Willamette and Columbia rivers.
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 rivers.
4 p. Selected pages of the Report of the Chief of Engineers for 1877. Included are annual reports detailing improvements of rivers in Oregon and Washington territory.
32 p. This pamphlet, produced by the Klamath Falls Chamber of Commerce, promotes their locale to new settlers, investors, business and manufacturing. Covering Klamath Falls and Klamath County, the booklet provides a population count for 1904-1906, business and professional representation, available educational and religious denominations, local transportation, employment, recreation and other information of interest to a prospective inhabitant.