Hall 1955 280 June 30 Sagenten Creek, 3 mi. NW Hobart Mills, Nevada Co., Calif. Upper 10 A.M. Came on good set of large marmot tracks in dust of road on way up. Heel usually squared off as illustrated in sketch, some- times more plantigrade showing more: yy , 14" about average dis- tance between tracks which were in pairs consistently, like a weasel's, so I guess it was galloping. 11 AM took 1st 2 shots c telephoto, both of parent r.l.b. sapsucker at nest hole, one 25.6, one 24.5. AM. U. colony 11:15 & made avail- ability counts for samples C-G willow. SAMPLE Avail. Avail. length Avail. length Avail. Avail. Length Avail. leng Avaii length A 170 42 93 25 0 - 80 14 22 24 B 150 25 19 8 2 6 45 18' 19 18 C 120 30 21 8 15 16 - 15.7 48 15 3 15 D 25- 10 565 35 0 - 20 E 25- 18 142 40 2 20 F 40 9 15 20 G 2.00 6 15 5'30 Total length 840 T.L. 96 T.L. 1,504 173 T.L. 44 T.L. 15,550 28,100 2,650 915 Mid-mark stake for sample C is gone but 2 yellow paint marks on alder 4'