Koford 175 Cynomys ludovicianus (shirttail Can.). July 10, 1955 Wind Cave N.P., S. Dakota Tiny burrs a nuisance (ashe, clothes). Many mounds in one had good crop false. In SE Ward D, ad. 4 jir. at isolated gp. burrows in Brown, as before. Ward Dall grim, Chrypodeum arca pale green. At 7 p.m., 15 a.m. 54/50'. on Ward A (slightly more included to S.), 5 at being jir. Soon then set, 4 few c.l. out at 7:15 p.m. Warm Not day. Patches of Aristida now conspicuously red headed out. Ward A, Chryp. c.l. much cut, but to 6" tall, & Basling (little before) now common, 3-5" tall. // To S. of Ward A Burrow thick at 12"+ high. Occasional old burrow found in it, with little modif. veg. grassed over (concealed by grass). A few old large mounds, 6' diam., bare with tall Brown starting at edge mound. Fertile soil off new from. Much Brown not near some burrows. // Idea - is present veg. on c.l. town cause a effect ? in terms suitability for c.l., it is both conditions for cause & effect are same. // Ward B apparently has 6 grown c.l., no jir. // Area X, an inverin spot S.W. of Ward A, has tall Brane on 3 sides. On E. side c.l. path goes out thru moderately dense Brown to burn- 16" tall, are (old, used) 5 yds. distant, then thru 10 yds. Their brane to an old rd. & clearing (12' diam.). Some settling Brown along the way. Area W, farthest W. inverin Ward A, has no activity, weeds growing tall. Area 30'x 30'. // At one site when much Sphacelaea in bloom, much of it cut by c.l.; & many seed stalks Plantago punckii out another site when 8" tall. Schoenorchis vigorous, with long seed stalks (go out, little up) apparently not cut near some site. July 11, 1955 Counted Ward A at 6:45 a.m. B grams + 7 jir., join in groups of 5 (when seen 3 weeks ago) + 2. No new inverine indentation Ward A, // 7:46 a.m., at S. tip of Ward C', 8 7 grams seen, no Cirsium luce, jirrs, in used area about 1 acre, square. One setting Argentum be.