THE ROUTE OF LEWIS AND CLARK.
of navigable water, they began on Septem-
ber 27 to build canoes.
The latter part of Chapter XVII. shows
the explorers fairly on their way to the
sea. They were descending the Koos koos-
kee, which they called the Clark, although,
as we have seen, it is now the Clearwater.
At the junction of this river with the
Kimooeenim near the Snake, described ir
the latter part of this chapter, they passed
the present site of Lewiston, Idaho.
The adventurous journey down the Snake
sketched in Chapter XVIII. carried them.
from Idaho into Washington and to the
Columbia at the meeting point of Frank-
lin, Walla Walla, and Yakima counties.
The "western branch of the Columbia,"
described as the Tapteal on p. 193, is now
called the Yakima. The conical moun-
tain mentioned on p. 196 is Mt. St.
Helen's, in Cowlitz County, Washington.
Chapter XIX. continues the record of the
voyage down the Columbia. "Le Page's
River" (p. 208) is now John Day's River.
The "Timm Mountain" of p. 209 is Mt.
Hood. Their descent of the "Great Falls,"
or Dalles and Chutes of the Columbia, is
graphically described in this chapter and
the next. For a part of the way they were
travelling through Skamania County, Wash-
ington.
In Chapter XX. they pass the Multno-
mah, now the Willamette River, without
discovering it, and they presently catch a
glimpse of Mt. St. Helen's. The Wah-
kiacum Indians whom they mention have
disappeared, but the name has been given