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55 <br />survey area, Tract 5, being on the more hilly boundary of the basin, <br />receives somewhat more moisture. Consequently, tfie tract supports vege- <br />tation that is not very different from the more easterly tract. <br />Cultivated land within the tract is limited to the valley floor <br />along Wilson Creek, and thus does not contribute significantly to the <br />cultural disturbance present. There are a considerable number of jeep <br />trails and unimproved exploratory roads ocurring throughout the tract <br />that are a result of gas and oil exploration in the area. <br />Portions Surveyed <br />Survey coverage, as illustrated in Figure 2 and summarized in Table <br />11, primarily reflects the effects of vegetation coverage and slope charac- <br />teristics. Since the major topographical features trend northeast, the <br />. resulting slopes generally have east and west-facing components. Thus <br />none of the "Field checked, rejected" area was excluded from the survey <br />due to its aspect. The vegetation coverage was extensive, precluding <br />survey over much of the area. Where vegetation was no problem, grades <br />exceeding the 15% maximum were the cause far rejection. The survey ef- <br />fort was mainly directed toward two areas. The flat land along Wilson <br />Creek was surveyed for the entire length included in the tract as well <br />as an adjacent clear hillside in Sec. 7, Tan, R93w. Along, unvegetated <br />ridge top, paralleling Taylor Creek was surveyed, where it lies within the <br />tract, beginning in Sec. 19, and continuing northeast through Secs 18, <br />17, S, and 5, Tan, R93w. A third region was surveyed along an inter- <br />fluvial ridge that descends from the NE'; of Sec. 19 into Wilson Creek, <br />follo~•iing the ridge line and less densely vegetated areas. A fourth area, <br />. which includes a saddle and part of a ridge line in Sec. 17 was also surveyed. <br />