Koford 158 Cynomys ludovicianus June 26, 1955 Weld Co, Colo I found N of fures (marked 6/26, & approx. depth hole if shallow), some at base closely cropped Chrysothamnus, at least 3 in area low ant muds. Depths of some: 6", 8, 12, 12, 6, 6, 20, 24t, 24t, 24t, 16, 16; There N. of 22 w + 24w. Apparently recent invasion this area. High water in bottom may have caused movement; some otter in bottom obviously had been heavily water worked, 4 E. spilonurus marked by wt. Salads, 8 other debris (spilonurus taken out). Farthest N about 140yds N. of 22w, this area a well developed mound + deep burrow. Photod may new holes. 11 Perched up coyote dropping at 22w, 400w; sand. (On groups N. of 24w (new holes), 7 staked. There lie in arc, about 20yds. apart, farthest being 125yds. bring. 322° from 22w.) When 2 jun. in NA', active small Pogonomyrmex and. close to burrow. Outside w. spilonurus, no cutting Salads within barded wre spilonurus. Parent repair hole in burrow; 1 st. N. of 20w, 11 A few recent + shallow to N. of PA', farthest being 82yds. bearing 322° from 30w 2N stake. One Footrest N about 5" deep in soil like hard clay (mound), another 8" deep. Both these groups 50% less, this Carey, Buckles, Muhlb. two parts, another 10" deep. Farthest in old law ant mud, 4 10" deeps. Then 26yds. S. to me 10" deeper, then S. to me 2' deep, then me 8" deep in soil like - clay. At least 50% less ground lies, some Buckles, Muhlb. ton., Carey present, slope est. 4%. Salads to 10" tall. Largest jump 45yds. between holes. 11 In the group of new holes N. of KA', 6 staked, 1st. 30yds. from nearest, 4 last 48yds., others 13-20yds. apart. Obviously there are for refuge when invading new feeding area. Farthest N. mound the best devel- oped one, 1 Another line of 3 murs to N. of 18w, the farthest apart 26yds., all shallow. 11 In SW/4 of EB', one burrow about 10" deep.