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10 <br /> confirm the fall use of this type. Elk have been observed in winter <br /> near the portals of both the Allen and Maxwell mines. These are clearly <br /> adjacent to the ponderosa pine-oak type. <br /> Elk aerial trend counts were conducted within the Purgatoire drain- <br /> age in January from 1971 through 1975 by the Colorado Division of Wildlife. <br /> Elk were located during these counts from Left Hand Fork of Martinez <br /> Canyon -(about 8 miles south of Segundo) , westward approximately 20 miles <br /> to the San Francisco Pass region, then north about 15 miles to Whiskey <br /> Creek. Most of the elk in these counts were located more than 7 miles <br /> from either mine. One exception was a count of 26 (1973) , 20 (1974) <br /> and 14 (1975) about one mile south of Weston. The location was about <br /> three miles southeast of the Maxwell Mine. The lowest total count was <br /> 201 in 1971; the highest was 584 in 1973. The last count of 389 in <br /> 1975 was about average for the five years; thus no population trend was <br /> evident. However, Holder (pers. comm. 1980) believes populations are <br /> increasing slowly and the elk are staying longer in the valleys before <br /> migrating to summer range. Mule deer populations appear quite stable. <br /> Turkey populations may be declining slightly throughout their range in <br /> the Purgatoire drainage (Baron, pers. comm. 1980) or stable (Holder, pers. <br /> comm. 1980) . No census data are available for either species. <br /> Among other mammals known to occupy the ponderosa pine-oak type <br /> are desert cottontails , Abert' s squirrel , and the coyote. Birds with <br /> affinities for this type, in addition to turkeys, include blue grouse, <br /> band-tailed pigeons and dusky flycatchers . <br /> 1 Mining activities and facilities with potential for impact on <br />