380 ITINERARY OF THE ROUTE FROM FORT VANCOUVER TO FORT DALLES 
August 183.—To second camp on Tahk prairie; trail skirts the eastern edge of 
the prairie, which is perfectly level, covered with good grass, and has good soil; 
the timber skirting it is of yellow pine, free from underbrush; lake near north end 
of prairie; camped on a stream rising from this lake -.......-..-.--.--------- 
August 14.—Through open woods to crossing of last creek......------------ 
Over a rolling country, covered with open pine woods, to the Wa-wak-che river, 
which runs in a very deep and narrow valley ; descent precipitous; no grass in the 
valley; lava is occasionally met with in the distance ..........-.-.----.------ 
Make a long and gradual ascent from the valley; pass over a broken country, 
which is covered with open woods of yellow pine and oak, to a point where there 
are water and grass, a,short.distance to leit of tail. oe see ei oe 
To camp in a narrow valley, with a small creek and good grass.......-.----- 
August 15.—Over a country like that of yesterday’s march, to two springs with 
BOO. PVASS! =o wine aye ctyetenti cle pe yece ayant ernie r= Syaryat= Seseepaelec is eels ara ee eee 
To a:small spang branch; with) cood) srass jo == eee ee a eee eee 
To camp, in the woods, with a small rivulet and tolerable grass -.-.-..------ 
August 16.—To camp Simkwe; through country like that of yesterday, only 
mote brokenes tects odious oapsioren ciicia= Beet celta centesc eerie Ree sees 
Over high rolling ridges, bare of timber, except here and there a scrub-oak; the 
ground covered with lava, in fragments, to the Sahpenis; the valley of this stream 
is deep and narrow where we reached it; descent gradual. ..........--------- 
Over a slightly undulating and open plain to the Simkwe creek .......-.----- 
Followed the course of the creek and camped upon it, with good grass........- 
August 17.—To camp Atahnam, over the level bottom of Simkwe valley .----- 
Cross a high, bare, stony ridge, and camp on the Atahnam, with good water and 
indifferent grass; no water on the trail between the camps.-.-.-----.----------- 
August 20.—To camp Wenass; over a high rolling country, bare of trees, and 
covered with thin bunch-grass, to Kwai-wy-chess creek ..........-.------++-- 
Over similar country, more rocky in places, to Nahchess river; descent into its 
WAM! SECC Die ect reo are ee eta ponsces secs Sac95555= 
Cross the wide and level valley of the Nahchess, pass the rolling dividing ridge, 
and camp on the Wenass, with good grass and water—wood not plenty. ,...---- 
Good grazing in the valley for a large number of animals. 
August 23.—To camp near Nahchess river; followed valley of Wenass; grass 
good; yellow pine: bepins....<15.10.0% J ci.de)/ ote bance cata pale See Siew. ack at 
Leave valley of Wenass, and ascend dividing ridge ; ascent steep at two points; 
divide alternately covered with open pine woods and bare lava......---------- 
Descend from summit through open woods; trail quite steep in places. En- 
camped in a small ravine, with good water and grass....-.-.---------+------- 
August 24.—Descended into valley of Nahchess. ‘Trail steep in places........ 
Followed valley of Nahchess; trail crosses the river eight times; sometimes 
passes in the water for short distances; crossings bad. Where the stream flows 
through the narrowest cafions, the trail crosses the mountain spurs, and is very 
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53 
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94 
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73 
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