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<br />TREATMENT AREA DESCRIPTIONS <br /> <br />(See Figures A-1.0 thru A-9.0 for location and descriptive information for treatment areas) <br /> <br />TA-O, Grazing Management - <br /> <br />o <br />o <br />~. <br />1\) <br /> <br />Grazing management treatment options are proposed to take place on the entire Greater Sagers <br />Wash Watershed, excluding the area within the Bogart Allotment, in the north end of the <br />watershed, the Thompson Canyon Allotment, in the northwest portion of the watershed, and the <br />"Highlands", in the southern portion of the watershed. The Bogart and Thompson Canyon <br />Allotments were eliminated because of a lack of saline soils and a lack of viable treatment <br />opportunities. The Highlands area was eliminated due to its increasing cover trend and lack of <br />saline soils. Grazing management will occur on the Cisco, Monument Wash, and Taylor <br />Allotments. <br /> <br />TA-l, Sagebrush Chopping- <br /> <br />Sagebrush chopping is proposed for a 395 acre area located on the sagebrush dominated flats in <br />the upper Nash Wash Watershed, Approximately 40 acres of the proposed 395 acres will be <br />physically treated with twelve foot wide strips of sagebrush chopped along the contour and along <br />the boundary between the sagebrush flats and the adjoining areas, The treatment area has a <br />south aspect and the average percent slope is approximately 5%. Average annual precipitation <br />ranges from 8 to 14 inches. The dominant soils in the treatment area are Barx fme sandy loam <br />soils. Barx fme sandy loam soils are non-saline. The treatment area was chosen for its size and <br />location. Other areas of dense sagebrush were considered for treatment but were not chosen due <br />to their small size or poor access which would have made costs prohibitive. The treatment will <br />be implemented initially on only 90 acres as a demonstration project. The remaining acreage <br />will be treated upon successful completion of the demonstration project. <br /> <br />~ <br /> <br />TA-2, Pinyon-Juniper Chaining - <br /> <br />Pinyon-Juniper chaining is proposed for a 120 acre area located adjacent to the sagebrush flats <br />in the upper Nash Wash Watershed. The treatment area has a south-southeast aspect and the <br />average percent slope is approximately 10%. Average annual precipitation ranges from 8 to 14 <br />inches. The dominant soils in the treatment area are Barx fme sandy loam and Strych fme sandy <br />loam soils. Both soil units are non-saline. This treatment area was chosen as a result of the <br />excellent response seen in the Horse Pasture Chaining area approximately one mile northeast of <br />Treatment Area 2, <br /> <br />TA-3, Contour Pits and Cisco Pits - <br /> <br />1 <br /> <br />~ <br />~ <br /> <br />i <br /> <br />Treatment Area 3 covers an area of 1315 acres and is located in the upper to middle portion of <br />the Nash Wash Watershed, adjacent to the west bank of the Nash Wash stream channel. The <br />dominant vegetation is Atriplex (saltbush). The treatment area has a south-southeast aspect and <br /> <br />40 <br />