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r1 <br />u <br />siltstone and claystone. Sandstones may be eithzr calcareous or non-calcareous <br />and differ widzly in degree of induration or hardness. Tnare are also small areas <br />of conglomerates, carbonaceous shale and coal in thz surrounding geology. <br />Thz major part of the area consists of gently sloping to sloping upland areas <br />dissect•ad by intermittent stream valleys. Slopes range fro.n 0 to 5 percent in <br />the valleys and relatively level upland areas to SU parent or more on steeper <br />side slopes. Large areas of steep bedroc>< escarpments occur along Scullion Gulch. <br />Thcre are few alluvial soils along the ;najor Jrainages and the Jhite Riv:zr <br />floodplain but most of the soils have either dzvzioped in place or on <br />alluvial-colluvial slopes and fans. <br />• c. SOILS AND VEGETATION COId~4UNITIES <br />At the highest zlevations, soils have developed in residuum or local alluviwn <br />from sandstone with juniper woodland or ,juniper-sagebrush vegetation types. <br />Sagebrush is morn abundant and more vigorous on deeper,;nore loamy soils in <br />the uplands. Juniper dominates on skeletal, shallow, and generally :Wore sandy <br />soils. <br />At intermediate elevations, soils have either developed residually from <br />interbedded shale and sandstone members or in local alluvium with grass, <br />sagebrush, or sagebrush-grass vegetation types. Again, sagebrush-grass or <br />L J <br />II.I-4 <br />