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EXHIBIT "B" CON'T <br />Orthents and similar soils: 45 percent <br />Minor components: 5 percent <br />Component Descriptions <br />Rock outcrop <br />Description: Rock outcrop consists of barren escarpments, ridge caps, and <br />points of sandstone, which generally occupy positions higher on the slope. <br />The escarpments are 2 to 40 feet high and 20 to 2,500 feet long. <br />Landform: Canyon, mesa, structural bench <br />Slope: 40 to 90 percent <br />Hazard to flooding: None <br />Runoff class: Very high <br />Land capability subclass (no irrigated): 8s <br />Orthents soils <br />Landform: Structural bench, canyon, mesa <br />Parent material: Collivium and residuum from sandstone and shale <br />Slope: 40 to 90 percent <br />Depth to restrictive feature: Greater than 60 inches to bedrock <br />Drainage class: Well drained <br />Slowest permeability: Moderately slow <br />Available water capacity: About 3.7 inches (low) <br />Shrink-swell potential: About 1.5 percent (low) <br />Hazard to flooding: None <br />Depth to seasonal high water table: Greater than 72 inches <br />Runoff class: High <br />Calicum carbonate maximum: About 40 percent <br />Salinity maximum: About 2 mmhos/cm (non-saline) <br />Ecological site: Douglas fir <br />Potential native vegetation: Rocky Mountain Douglas Fir, two needle <br />pinyon, Utah juniper, ponderosa pine, Indian rice grass, saline wildrye, <br />Bigelow's sagebrush, bottlebrush squirreltail, galleta, blue grama, blue <br />bunch wheat grass <br />