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Show SPUN* VALLBY, HT tended northward to ( he southern shore of the Great Salt Lake, sad Was covered with grass* the first we had seen since leaving Pilot Peak. It was shut in toward the south by a range of comparatively low hills, connecting the two monntain ranges that fofmed its \ eastern And western boundaries. A direot course could not be taken for this point, owing to numerous springs, which rendere4 the valley in that direction marshy and wholly unpayable. We were consequently forced many miles to the southward, and obliged to . make a circuit of more than a semicircle to gain the opposite side. We followed down the western bape of the mountain for two or < three miles, passing a fine spring, with good grass, near which we encamped for the night,, among some dwarf oedars, that both furnished us with fuel and afforded a protection against the wind, which blew fresh and cold from the north- west Ther. at sunset, 43°. Tuesday, November 6.- rTher. at sunrise* 60°.'. Continued our journey in a northerly direction, along. th4 western . bascf of the • mountain, for twelve miles, when we reached its northern ex* tremity, which was about a mile apd a- half wide, and terminated in bold escarpments five or six hundred feet high. One of these resembled, in a remarkable manner, a huge castle, the vertical walls of Which were not less than three hundred feet in height. ' Befbpe reaching this point of the mountains, I remarked, ox\ our left, ii} the middle of the valley, a curious, isolated mass of rocks, resembling a email fortification or redoubt: it was surrounded by marshy meadow- land, and co^ ld, in case of need, be defended by a small force against almost any number of Indians. Numerous Springs broke out from the mountain and at the edge of the prairie; but . they were all saline, with a temperature of 74°, and totally unfit to drink. To this place we gave the name of " Spring Valley." Near the point of the mountain was a very large spring, which discharged it?. waters northward into the lake.. The water Was very salt, nauseous, . and bitter, with a temperature of 70Q; notwithstanding which it swarmed with innumerable small fish, and seemed to be a favourite resort for pelicans- and. gulls. In a shallow ravine near our morning camp, limestone was found cropping, out, with a dip of 80°. to the norths- west. This rook was seen as we followed theTange, appearing at the spurs; and dikes of trap were observed, forming peaks farther back up the mountainside. The ridge gradually became less elevated as we proceeded toward the pdint, where the stratified rocks ( limestone tnd shales) were found in a horizontal position. Along the northern termina- |