Hall 1953 147 Sept 12 Sagehen Creek, 3 mi. N.W. Hobart Mills, Nevada Co, Calif. L. colony Sample Y: from 6" dead asp. in water one foot from shore & 15' from Jim's #7 stake, NW to 12" dead pine. Sample X: 2" stump 10' NE #23 to point on dam 10' beyond #22: Clump 1 2 3 %use 75 100 75 75 25 Twigs cut 9 23 22 27 10 Av. diam. 3' 10' 8' 10' 10' Sept. 13 R'slide colony Rockslide colony 2PM. Took shot #19 of mid colony from top of marmot rock 2 & esp. Asp. Sample C: from stake on shore oppo- site sta #23, upslope to stake in briar brush on edge of asp. limit 25' W of 15" pine. Total 1 2 3 4 5 6 7 8 9 10 T Used 3 3 4 5 3 3 3 3 1 1 29 considerably changed July 1954 lately; see p. 239 Gapus jumped in amongst boulders, grass and dead asp. stumps of sample C, 12' from shore. Left 3:30 PM. Roadside colony 9:10am Oct. 4 Roadside colony Weather cold (40°), hazy. Commotion in some pools just below the first dam & downhill from stump of log where camera was cached. Saw two 10" trout (browns) chasing in and around this pool whose bottom is silt-covered. Next to clump of sedges was a circular area of gravel which had evidently been fanned free of silt