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<W <br /> r <br /> T er portions of the highest hills on the site are made up of <br /> [ pp p <br /> iron-stained terrace; <br /> gravels ( cobbles ) of more recent origin. <br /> (Geologic Report , append <br /> Soils of the site iange from alluvium on the valley bottom <br /> with depths of several feet , to residual soils of the upper slopes <br /> with only a foot or two of dePresultsTest <br /> areholes <br /> describedginuthehGeo- <br /> site <br /> depthsThes <br /> showed various . <br /> logic Report ( a.ppendix I`'} ® On tre site designated for Landfill. , <br /> the soil and subsoil together provides enough depth for excavations <br /> averaging six to ten feet . <br /> Surface water flows are shown <br /> ortheast®toTsouth estwand ain- <br /> ages cut the rein <br /> lief and move from n <br /> dCreikatedsintostheralluviumseveral <br /> ainaes rflat each <br /> he direction of Indian <br /> valley floor, they are P <br /> a, hundred feet before they would reach the Indian Creep channel . <br /> Furthermore , the foot of each drainage ( just before the ravine <br /> flattens out ) is plugged each <br /> a reservoir dam. ':here is every in- <br /> n the two si <br /> ication that surface waters <br /> reaterflowir, rtlby�these reservoirsra( ap- <br /> ages are retained for the g p <br /> pendix IV) <br /> Ground water is found in two positions : '°perck.ed " as a <br /> layer in the alluvium, and deep within the pervious beds of <br /> about <br /> the Valley Springs sandstone . The perched water lies a�reater <br /> feet of depth and flows with Indian CreekThe��deepexewater of <br /> J alluvium surrounding the Calaveras River. <br /> the regional water table lies between forty and sixty feet of <br /> the surface . <br /> y <br /> NATURAL HISTORY <br /> ,# <br /> Vegetation of the site is typical lower-foothill grassland. <br /> Alost of the alluvial soil has been cultivated and some is in <br /> rowerops . The sloping portion of the property is primarily <br /> grasses and fortis with scattered oaks of the species Qu <br /> ercus <br /> (`'alley oak) . g <br /> Dominatin <br /> ouglasii ( Blue oak) and Quercus lobata <br /> ies of tarp+Teed (Media slegans <br /> most of the grassland area is a spec <br /> ssp. vernalis ) ® No rare or endangered native plants as des <br /> - <br /> No <br /> by the California 'dative Plant Society are anticipated to <br /> grow on the site . <br /> Wildlife habitat throughout most of the site has been <br /> ral and mining purposes in the past . <br /> altered for agricultuThe <br /> al habitat exists along Indian Creek. Here , <br /> only relatively naturborder of shrubs provide limited riparian <br /> large oaks and an open <br /> habitat . `Within the project site , Indian Creel: characterizes a <br /> dry, intermittent stream course <br /> nwe1thThe large oaks no signs of uthat sh llineathe <br /> growth along the stream-side zone . <br /> creek provide excellent habitat for a variety of resident and <br /> rovide nesting <br /> migratory birds . The older trees in this zone p <br /> sites for cavity-dwelling mammals . <br />