Laserfiche WebLink
Map Unit Setting <br />Major Land Resource Area: 35 <br />Elevation: 4,700 to 9,200 feet (1,433 to 2,804 meters) <br />Mean annual precipitation: 10 to 19 inches (254 to 483 millimeters) <br />Average annual air temperature: 43 to 49 degrees F (6 to 10 degrees C) <br />Frost free period: 70 to 140 days <br />Map Unit Composition <br />Rock outcrop: 50 percent <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 points of sandstone <br />which generally occupy positions higher on the slope. The escarpments are 2 to 40 feet high and <br />20 to 2,500 feet long. <br />Landform: Canyon, mesa, structural bench <br />Slope: 40 to 90 percent <br />Hazard of flooding: None <br />Depth to seasonal high water table: Greater than 72 inches <br />Runoff class: Very high <br />Land capability subclass: (nonirrigated) 8s <br />Orthents soils <br />Landform: Structural bench, canyon, mesa <br />Parent material: Colluvium 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 (moderate) <br />Hazard of flooding: None <br />Depth to seasonal high water table: Greater than 72 inches <br />Runoff class: High <br />Section 2.04.9 Page 17 Sept. 2015 (TR -11) <br />