ITINERARY OF THE ROUTE FROM FORT -VANCOUVER TO FORT DALLES. 
September 24.—Keep the Columbia valley. The trail passes through the grove 
of pines; ground much obstructed by fragments of granite.....-.------------- 
Crosses a very dangerous spur; the trail passes over low rocks ; is very narrow 
and tortuous; high precipice on the right. Two mules here fell over and were 
instantly killed; two others were severely injured.......-------------------- 
Pass over a lower terrace, at first stony, then smooth and unbroken. Camp in 
a thin grove of pines; grass good. The whole day occupied in making this distance 
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Si ptember 25.—The trail follows the river valley, over level ground ; crosses a 
dangerous mountain side, impassable in high water. The trail is here very nar- 
row, and passes over a mass of angular stones, at a very steep inclination ; enters 
the mouth of a ravine, down which runs a small stream......---------------- 
Leaves the river valley; ascends the ravine with a steep inclination; reaches a 
high ascending valley at right-angles with the river; follows this valley and enters 
that of Lake Chelann, into which it descends by a gradual inclination...-....--- 
Skirts the lake and crosses at its source the stream which issues from it..-.... 
Passes over a high, rolling country, and descends a very steep hill into the 
Columbia valley. This descent is not rocky. Crosses a small stream. Camp in 
a small sandy ‘pocket ;” grass good; wood very scarce ...-.--------+--++-+ 
September 26.—Pass over the level bottom in which we camped. Ascend, in deep 
sand, without vegetation, to.a very high plateau_.......---.-+-----------+--- 
Followed this plateau, covered with good bunch-grass ; pass one broad, deep, 
and rocky ravine; keep the prolongation of the same plateau, and descend by a 
steep, sandy slope to the Columbia bottom.......--.-------------- sans eeae 
Follow the Columbia bottom on the Methow river ; last mile among rocks. - . . - 
Good trail over a low terrace; crossed small spring branch ......- See 
Trail as before. Camped near an isolated point of rocks; grass good; wood 
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September 27.—To camp on Okinakane river. Trail passes over the high and 
rolling valley ; crosses one deep and dry ravine; thence touches the Okinakane near 
its mouth; follows valley of that river; crosses by a bad ford. Camp a quarter 
of a mile above the crossing; grass and wood very scarce.......------------- 
September 28.—Cross the Okinakane at yesterday’s crossing; trail passes over 
very high, sandy hills, destitute of timber, and covered with bunch-grass ; descends 
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Pass over very high hills, covered with open pine woods; follow a high and 
narrow valley. Camp on a small spring branch in the pine woods; grass plenty, 
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September 29.—To camp on the Twitsp. Trail continued in same valley ; crossed 
two small spring branches; passed over a high spur and descended into the valley 
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Followed the broad valley of the stream, keeping on a terrace about thirty feet 
above the water, and covered with bunch-grass; passed one small creek ; crossed 
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