The Spokane, Willamette [will-AM-it] and the Snake are major tributaries, and The Grand Coulee Dam and the Bonneville Dam lie on it.
At its start, it skirts the Selkirk Mountains and passes through the Upper and Lower Arrow Lakes. The Spokane, Willamette [will-AM-it] and the Snake are major tributaries, and The Grand Coulee Dam and the Bonneville Dam lie on it. _FOR 10 POINTS_ —name this river, formerly known as the Oregon River, that forms the border of Washington and Oregon.
At its start, it skirts the Selkirk Mountains and passes through the Upper and Lower Arrow Lakes.
{Columbia} River