Koford 160 Cynomys ludovicianus June 27, 1955 Mr. Ftc Collins, Gis. One adult seen from barley field to burrow 10 yds. upslope from uphill edge. One near the Gwins. saw 40 yds. to another burrow, where another grawn one, in edge plow barley. /Eating barley green. Hundreds of stalks out off, now lying on ground. Many of these are culms with basal end eaten below node, sometimes stopping at node, usually stop- ping below it. Cut usually at 1-3" height. A few perhaps pulled out of sheath, root cut thru from outside. at upper edge barley field was left Dalsola about 8" tall, many stalks of this cut. Anich- weed (Acalypha) about 1 ft. tall here sweet (milk weed & Eup- horbia not cut because of better milk?). /At site 16' from a burrow when about 10' tall, much cut, up to 10 stalks / sq. ft. Many stalks cut only until fall, not clear thru, as if to reduce high vegetation, not for food. No burrows seen to surface picture. Stalks not cut where no C.L. burrows. // Near burrow's ground not denuded, but barley in open stand & about 8" max. height. Many cut stalks have heads, but seed poorly developed & little apparent nutriment in, & heads a week not eaten. Many oats (Avena) mixed with barley, sometimes 1/2 of stand, & this too cut when tall (to 18"). At one burrow not currently used, the used early this year, barley so vigorous that the spot attracted my attention. On one rod., grew thickly 4' 20" tall, while sparse 4' 6" to 16" tall at distance 3'. In another where barley thickest, stalks closely spaced, more cut. Where tall but open stand, cut by C.L. // Visited field on N. side of valley, where grain now sparse & about 4" tall, planted (or just ploughed) about 1 month ago. Within 20 yds. of dam slope edge, bordering unploughed ground, many burrows had been opened &