Above Portland, but boats seldom go farther up the river than Corvallis, 119 m.
Above Portland, and the depth at low water to Corvallis is only 3 ft.
The principal railways are: that of the Oregon Railroad & Navigation Company (controlled by the Union Pacific), which crosses the north-eastern corner of the state and then runs along the bank of the Columbia river to Portland; three lines of the Southern Pacific in the Willamette Valley, the main line connecting Portland with San Francisco; the Astoria & Columbia River, connecting Portland and Astoria; the Coos Bay, Roseburg & Eastern Railroad & Navigation Company (owned by the Southern Pacific), connecting Coos Bay with one of the Southern Pacific lines; and the Corvallis & Eastern (owned by the Southern Pacific), connecting Yaquina Bay with all three lines of the Southern Pacific. Throughout the Cascade Mountain Region and the great semi-arid region east of those mountains, which together embrace more than two-thirds of the state's area, there is not a railway.
In addition to the public schools, the state maintains; the University of Oregon at Eugene; the State Agricultural College (1870), at Corvallis (pop. 1900, 1819), the county-seat of Benton county, and the State Normal School (1882) at Monmouth (pop. in 1900, 606), in Polk county.