 Baker" on the lower Columbia, the "Iris" on the middle, and the "Kiyus" on the upper Cascades.These boats posed serious competition to the monopoly, so much so that in about 1864, the Oregon Steam Navigation Company paid its rival $10,000 a year to confine its operations to the Willamette River.Oregon Steam Navigation Company also picked up People's Transportation's boats "Iris" and "Kiyus", in exchange for three OSN boats on the Willamette River, "Onward", "Rival", and "Surprise".