Koford 306 Cynomys ludovicianus October 17, 1955 11 mi. N. Waverly, Lammerg, so may add to destruction of brush cover after. Shot 175 to 181 for sterilization. Population thin but widespread, with maximum about 6/A. Average Area between workers especially low population. Most burrows on slopes are bordering shallow washes down slope. Glo. October 18, 1955 1 mi. N. Rock port; Weld 6, at C.C. deer ranch I shot 6 Cynomys for sterilization: (#182-187). Rather tame here. Mostly in lower parts slopes, many 10% slopes away from bottom not occupied. Essentially no control here. Several C.L. on S. side fence or next ranch, but no large expansion that direction. Soil vegetation very short dry turf of Bgn-Bda, some Aristida + Bwm. Short remnant Clupi thamnus + Atriplex. Butirirezia, Bwm, Ephanesia, Art. frigida, Chrysoodium (dry), Badia, Opuntia, Sha. Bda much cut at low levels some after. Saw 1 Lupus Sylviolagus common here. Soil pale gray, wounds of clay loam, surface siltty. Ground cover about 40%. No eating of cacti or digging for food noted. Dogs eat the pastine poor. || At 3:40 p.m. Arrived at CPER colony. Dry wind set. 25 mph. Saw 5 in Area II, near Sclerone. Saw a Sylviolagus on mound in M.B. Freshly dug burrow near bottom in FD, + another 30' N. of it. Sha here is dry. Bottom for their Egyptian four distome appears dry, but most leaves green. Drilling of their Bda near burrows. No apparent current activity set on Bgn Lattan. About 4 p.m. I saw 2 golden eagles