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30 <br />• Permanent water is available in Grassy Creek which runs on the <br />east side of the tract. Many seasonal drainages are also present, <br />and provide temporary water sources. The presence of numerous man-made <br />reservoirs indicates that these seasonal sources may provide a consider- <br />able amount of water. The drainage that cuts through the eastern portion <br />of the tract was flowing at the time the survey was being done in the <br />latter part of June. <br />The nature and distribution of vegetation in Tract 7 differs from <br />that of Tracts 1, 3, 4, and 6. There is considerably less vegetation on <br />the lower-lying land, either reflecting different ecological character- <br />istics or clearing for agricultural use. Uncleared portions, located <br />mainly in the southern part of the tract, are covered predominately with <br />sage, serviceberry, and isolated clumps of Gamble's oak. Drainage heads <br />(• also support small stands of aspen. The northern part has been under <br />cultivation for sometime, and plowing was in progress during the survey. <br />In the more hilly western portion of the tract, the vegetation is <br />consistent with the patterns mentioned earlier, containing dense stands <br />of Gamble's oak, aspen, serviceberry, and a minimal growth of sage. <br />Portion Surveyed <br />The survey coverage for Tract 7 (Table 5) reflects the vegetation, <br />terrain, and cultivation characteristics present. The eastern portion is <br />heavily cultivated in the northern half, and the southwestern corner is <br />steep with heavy vegetative cover. The central area was surveyed where <br />it was either undisturbed or where active cultivation was not taking <br />place at the time of the survey. Most of this has received <br />l• <br />