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Page 2 <br />described as moderate. Sediment yiAld is estimated at less <br />• than 0.2 to 1.0 acre feet per square mile per year. <br />The dominant land use of mapping IInit 3, is for range <br />and wildlife, Of the 974,000 acres it covers in the Dolores <br />River Basin, 3,800. acres ere in irrigated cropland and there <br />is no dry cropland. <br />The dominant ground cover associated with mapping Unit 3 <br />is pinyon-juniper. At higher elevations oakbrush, serviceberry, <br />and grass are more prevalent, while willows and cottonwoods <br />may be found along the narrow valleys. <br />(The preceeding paragraphs describe large categories of <br />the Dolores River Basin, into which the LP-21 property Palls.) <br />On-a general soil-map of-Montrose County (M7-0-22275-43), <br />the soil of the area is described as a Torriorthents-Rock out- <br />crop association. This association 3s further described as <br />"warm, shallow, well-drained, sloping to steep soils and rock <br />outcrops on breaks and canyons". <br />An onsite inspection revealed the texture_of the area <br />immediately surrounding the affected area to range from a <br />reddish-brown loam in the sagebrush park south of the portal <br />to a clay loam along the hillside through which the incline <br />enters. Soil depths range from six to ten inches in the <br />sagebrush park and lower on the rocky slope to the north. <br />(See "Exhibit C" Por more accurate location of textural groups.) <br />Reference: Water sad Related Land Resources: Dolores <br />aver as o ors o an repo <br />• ase on a coopers ve s u y y the Colorado <br />Water Conservation Board and the United States <br />Department of Agriculture, prepared by the <br />Economic Research Service, Forest Service, and <br />Soil Conservation Service. Denver, Colorado <br />September 1972. <br />