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• comprehensive list of ma~anals believed to occ.-upy habitats near the Seneca II <br />.study area and their estimated relative abundance are presented in Table 5 <br />(DC7W, 1978) . <br />The spotted ground squirrel does not appear to be very common on the study <br />area. Only one observation of this species was made and it was observed <br />near the riparian bird transect in an upland sagebrush habitat. The tao <br />other ground squirrel species encountered on the study area were more <br />abundant. Many Ridiardson's ground squirrels were observed in the mixed <br />brush habitat type while the golden mantled ground sgn~*~-~ls were observed <br />in a variety of habitat types and were especially proaninent along the main <br />haul roads mm~;nq throughout the mine. Nu[rerous yellow-bellied marxrots <br />were also observed. Marmots oamm~ly inhabit rocky outcrops and talus <br />slopes near abundant supplies of green vegetation (Lechleitner, 1969) . The <br />majority of marnot sightings on the study area occim~ed on rocky outcroppings <br />adjacent to revegetation areas. The northern pocket gopher was never <br />observed on the stuffy area; however, its existence was evidenced by the <br />• numerous diggings and tunnels found throughout the aspen and mixed brush <br />vegetation type. Another species not observed but its presence evidenced by <br />sign was the beaver. Fresh tracks and cuttings were noted along a small <br />perennial stream in a draw lined by aspen trees just south of the Garnbel oak <br />bind transect (Anrr~anrliu A, t,7ap 1) . A series of four or five beaver ponds <br />with fresh willow cuttings was also seen, although no beaver were actually <br />sighted. <br />The porcupine is primarily a nocturnal animal; however, a few porcupines <br />were sighted during day time field activities feeding in Gambol oak vegetation. <br />Nwremus porcupine tracks were also noted throughout the aspen and mixed <br />brush areas during the winter bird surveys. <br />One snowshoe bare and seven white-tailed jackrabbits were also observed <br />during the 1979-1980 field season. The white-tailed jackrabbits were <br />observed in the mired brush and upland sagebrush vegetation types during <br />the sumrer while the one snowshoe bare was observed in a mired brush habitat <br />. in early February. I~fia~erous snowshoe bare tracks were also observed <br />throughout the aspen and upland sagebrush vegetation types. <br />-33- <br />