E.L. Karlstrom 1954 Bifur conora (39) mon Co, Coli July 11 200 yards E Tioga Pass Ranger Station, 9900 ft. 10:15 A.M. (D.S.) meandering drying up seep flow over 20 yards of grassy open meadow. Average depth of water ½-¾" but some pockets to 1½". The tubedies are spread out over wide area when water deep enough. Maximum width of seepgage flow 4' across. Bottom loose & silty. The tuba tend to congregate in deeper pockets but no more than about 50 seen at any one spot. No algal development visible to me, but the tube seem to be grazing on detritus of surface layer of bottom silt. They tend to face switward against what little current there is. All these tubes probably (?) came from one mated pair which lived after my last visit here. The water was a few inches deep then. Now there is no snow left on N facing slope 50 yards to S of her. In fact only snow seen was 1' x 3' remnant in bottom of small gulley 75 yards NE of Ranger Station. Isolated snoll (about 100 feet across) patches are left on N facing slope of mt. Dana. These should not last a week. The larger ponds (lobes) in area are full but smaller meadow pools are going fast. Bob's house at Ranger Station reports relatively warm night temps. Last week, The tubes described above show no hind limb development. It is doubtful that they will live time to emerge. Evidence points to a