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us to distinguish the road； would defeat our design of returning to the United States this season。 We now found also that as the snow bore our horses very well； travelling was infinitely easier than it was last fall； when the rocks and fallen timber had so much obstructed our march。 But it would require five days to reach the fish…weirs at the mouth of Colt ＇…killed＇ Creek； even if we were able to follow the proper ridges of the mountains； and the danger of missing our direction is exceedingly great while every track is covered with snow。 During these five days； too； we have no chance of finding either grass or underwood for our horses； the snow being so deep。 To proceed； therefore； under such circumstances； would be to hazard our being bewildered in the mountains； and to insure the loss of our horses； even should we be so fortunate as to escape with our lives； we might be obliged to abandon all our papers and collections。 It was therefore decided not to venture any further； to deposit here all the baggage and provisions for which we had no immediate use； and； reserving only subsistence for a few days； to return while our horses were yet strong to some spot where we might live by hunting； till a guide could be procured to conduct us across the mountains。 Our baggage was placed on scaffolds and carefully covered； as were also the instruments and papers； which we thought it safer to leave than to risk over the roads and creeks by which we came。〃
There was nothing left to do but to return to Hungry Creek。 Finding a scanty supply of grass； they camped under most depressing circumstances； their outlook now was the passing of four or five days in the midst of snows from ten to fifteen feet deep； with no guide； no road； and no forage。 In this emergency； two men were sent back to the Chopunnish country to hurry up the Indians who had promised to accompany them over the mountains； and； to insure a guide； these men were authorized to offer a rifle as a reward for any one who would undertake the task。 For the present； it was thought best to return to Quamash flats。
Chapter XXIII
Crossing the Bitter Root Mountains
Disasters many kept pace with the unhappy explorers on their way back to Quamash flats after their rebuff at the base of the Bitter Root Mountains。 One of the horses fell down a rough and rocky place； carrying his rider with him； but fortunately neither horse nor man was killed。 Next； a man； sent ahead to cut down the brush that blocked the path； cut himself badly on the inside of his thigh and bled copiously。 The hunters sent out for game returned empty…handed。 The fishermen caught no fish； but broke the two Indian gigs； or contrivances for catching fish； with which they had been provided。 The stock of salt had given out； the bulk of their supply having been left on the mountain。 Several large mushrooms were brought in by Cruzatte； but these were eaten without pepper； salt； or any kind of grease；〃a very tasteless； insipid food；〃 as the journal says。 To crown all； the mosquitoes were pestilential in their numbers and venom。
Nevertheless； the leaders of the expedition were determined to press on and pass the Bitter Root Mountains as soon as a slight rest at Quamash flats should be had。 If they should tarry until the snows melted from the trail； they would be too late to reach the United States that winter and would be compelled to pass the next winter at some camp high up on the Missouri； as they had passed one winter at Fort Mandan； on their way out。 This is the course of argument which Captain Lewis and Clark took to persuade each other as to the best way out of their difficulties：
〃The snows have formed a hard； coarse bed without crust； on which the horses walk safely without slipping； the chief difficulty； therefore； is to find the road。 In this we may be assisted by the circumstance that； though generally ten feet in depth； the snow has been thrown off by the thick and spreading branches of the trees； and from round the trunk； while the warmth of the trunk itself； acquired by the reflection of the sun； or communicated by natural heat of the earth； which is never frozen under these masses； has dissolved the snow so much that immediately at the roots its depth is not more than one or two feet。 We therefore hope that the marks of the baggage rubbing against the trees may still be perceived； and we have decided； in case the guide cannot be procured； that one of us will take three or four of our most expert woodsmen； several of our best horses； and an ample supply of provisions； go on two days' journey in advance； and endeavor to trace the route by the marks of the Indian baggage on the trees； which we would then mark more distinctly with a tomahawk。 When they should have reached two days' journey beyond Hungry Creek； two of the men were to be sent back to apprise the rest of their success； and if necessary to cause them to delay there； lest； by advancing too soon； they should be forced to halt where no food could be obtained for the horses。 If the traces of the baggage be too indistinct； the whole party is to return to Hungry Creek； and we will then attempt the passage by ascending the main southwest branch of Lewis' River through the country of the Shoshonees； over to Madison or Gallatin River。 On that route； the Chopunnish inform us； there is a passage not obstructed by snow at this period of the year。〃
On their return to Quamash flats the party met two Indians who； after some parley； agreed to pilot them over the mountains； these camped where they were； and the party went on to the flats； having exacted a promise from the Indians that they would wait there two nights for the white men to come along。 When the party reached their old camp； they found that one of their hunters had killed a deer； which was a welcome addition to their otherwise scanty supper。 Next day； the hunters met with astonishing luck； bringing into camp eight deer and three bears。 Four of the men were directed to go to the camp of the two Indians； and if these were bent on going on； to accompany them and so mark； or blaze； the trees that the rest of the party would have no difficulty in finding the way； later on。
Meanwhile； the men who had been sent back for guides returned； bringing with them the pleasing information that three Indians whom they brought with them had consented to guide the party to the great falls of the Missouri； for the pay of two guns。 Accordingly； once more （June 26）； they set out for the mountains； travelling for the third time in twelve days the route between Quamash flats and the Bitter Root range。 For the second time they ran up against a barrier of snow。 They measured the depth of the snow at the place where they had left their luggage at their previous repulse and found it to be ten feet and ten inches deep； and it had sunk four feet since they had been turned back at this point。 Pressing on； after they reached their old camp； they found a bare spot on the side of the mountain where there was a little grass for their horses； and there they camped for the night。 They were fortunate in having Indian guides with them； and the journal says：
〃The marks on the trees； which had been our chief dependence； are much fewer and more difficult to be distinguished than we had supposed。 But our guides traverse this trackless region with a kind of instinctive sagacity； they never hesitate； they are never embarrassed； and so undeviating is their step； that wherever the snow has disappeared； for even a hundred paces； we find the summer road。 With their aid the snow is scarcely a disadvantage； for though we are often obliged to slip down； yet the fallen timber and the rocks； which are now covered； were much more troublesome when we passed in the autumn。 Travelling is indeed comparatively pleasant； as well as more rapid； the snow being hard and coarse； without a crust； and perfectly hard enough to prevent the horses sinking more than two or three inches。 After the sun has been on it for some hours it becomes softer than it is early in the morning； yet they are almost always able to get a sure foothold。〃
On the twenty…ninth of June the party were well out of the snows in which they had been imprisoned； although the