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Show 518 ..ljJ pend ix. portion to be dissipated by the iuflucncc of one day's sun. J t The crimson haw is not more forward now at this place tl1an it was when we lay at R('jck-fort camp in April. '.!0 A nest of the large blue or sandhill crauc was found hy one of out· hu111 erR; the youug were in the act of leaving the shell; the young of the party coloured corvu5 hcg·iu to fly. 22 The ai:· is remarkably dt·y and pure, it has much the feeling and appearance of the air in the plains of the Missouri: since out· anival in this neighbourhood on the 7th instant all the rains noted in the diary of the weathet· were snows on the plain, and in some instances it ~mowed on the plains when only a small mist was perceptible in the uotLUms at our camp. ':27 The dove is cooing, which if> the signal, as the Indians inform us of the approach of the salmon. The snow has disappeared on the hig h plains, and "ems to ue diminishing fast on the spurs and lower regions of the H.0cky mountains. '2S The river from sunrise yesterday to sunrise this morning rose one foot ten inches; drift-wood running in consic.krable quantities, and the current incredibly swift though smooth. 29 The river rose six inches in the course oi ycstcr·day, and one foot five inches in the course of the last nig·ht; it is now as high as there arc any marks of its having been in the ~pring 1805; at ten A.M. it anivcc.l at its gt·eatcst height, having rose one and a half inches from sunrise to that time; in the balance of the day it fell seven inches; the natives inform us that it will take one mot·e rise before it beg·ius to subside for the season, and then the p.ts!;'age of the mountains will be pr.tcticable. :w The river continued to fi..dl until 4· A. l\1. hadn !~ t~tllen three inches by that time since sunri::.r; .!lppenclix. 510 it was now at a stand until dark, after which it began again to rise. June 'J The rivet· from sunrise until 10 A.M. yesterday rose one and a. half inches, from th tt t time until dnt·k fell four and a half inches, and in the course of last night rose ar,ain ei ght inchesthe Indians inform us that the p resent rise is the g reatest which it annually tak cc:.; that when the water subsides to about the height it was at the time we arrived he re, the mountains will be passable. I have no doubt hut the melting of the mountain snows in the beginning of June is what cause~ the annual inundation of the lower portion of the Mis~ouri from the first to the middle 0f July. '' Yesterday the water was at its greatest height at noon, between that time :.mel dark it fell fifteen inches, and in the course of the night rose one and a half inches; from the Indian information the water will now subside, and may therefore be said to be at its greatest annual heig-ht on the 3nl instant at noon. 5 The river fell three .\nd a half inches in the course of the clay; this fluctu ating state of the river i~ no doubt caused by the intlucnce of the sun in the course of the day on the snows on the mountains; the accession of water thus caused in the day does not reach us until night, when it produces a t·isc in the river. The wild rose is in bloom. The river fell ten inches in t11c course of this day. 6 In the course of last night the rivet· rose a little, but fell an inch by niOrniug lower tban it was last evening; the seven bark and the yellow vining hone) suckle arc ju~t in uloom; a few of the docs have produced their young. The rivet· fell three inches last night and se" en yesterday; the gooseberry i' fully gt'O\\ ll; ,1b o, the service -berry. |