Koford 117 Cynomy s ludovicianus May 19, 1955 wind Cave Nat'l park, S. Dak. Several burrows apparently filled in by C. L. One mound covered with old C. L., being apparently dug out of burrow. Molds 2" high Artemisia frigida & high prairie fobs/grass. 10m Central town, about 20 burrows, some with calves, & wallows containing water. Thin but scattered C. L. population, < 1/A acre, but this area has been panned. Town No. 3, had fair no. dogs, the one nearly all gone. Much Buddleia in lawn-like dense low stand near burrows widely spaced, no areas denuded. Slope low, then gradually rises where C. L. apparently suitable on bottom where soil now blue-green with Agropyron. This area stops abruptly when slope steeper or rockier, where Andropogon scoparius dominant, especially as much old & dry is standing. Line of stots of badgers, in fairly sharp. Fair stands Aristida some sites, especially in down part of Central town where shuffuls wallows present. Antelope also seen on Central town. Devil's Tower, Wyoming May 20, 1955 Talked with custodian MacButty concerning the prairie dog town next to Belle Fourche River. He said this protected from grazing for about 15 years (cattle life). Young about due to appear now. Dogs especially fat last fall. Winter activity little - none noticed out for about 2 months, tho an open winter. Badgers had been noted to be active in the town same winter (not lost). Coyote sometime seen & increasing. Local ranchers protect them (cattle Benders). Mr. Dickinson of SCS, Neillett, could probably help in range survey here. Good rains & grass season of 1953-1954, daytime Weather records taken & available in Christ's log! Date. The dog town on gentle slope between river & hills accord-