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Percent of map unit:5 percent <br />Landform:Flood plains <br />Down -slope shape:Linear <br />Across -slope shape:Linear <br />Wet spot <br />Percent of map unit:5 percent <br />Landform:Depressions <br />Down -slope shape:Linear <br />Across -slope shape:Linear <br />IrA —Irim loam, 0 to 1 percent slopes <br />Map Unit Setting <br />Elevation:7,800 to 8,500 feet <br />Frost -free period:60 to 70 days <br />Map Unit Composition <br />Irim and similar soils: 85 percent <br />Minor components: 10 percent <br />Description of Irim <br />Setting <br />Landform:Flood plains, drainageways, streams <br />Down -slope shape:Linear <br />Across -slope shape:Linear <br />Parent material:Recent, mixed origin alluvium <br />Properties and qualities <br />Slope:0 to 1 percent <br />Depth to restrictive feature:More than 80 inches <br />Drainage class:Poorly drained <br />Capacity of the most limiting layer to transmit water (Ksat):Moderately high to high <br />(0.60 to 2.00 in/hr) <br />Depth to water table:About 6 to 18 inches <br />Frequency of flooding:Rare <br />Frequency of ponding:None <br />Maximum salinity:Nonsaline (0.0 to 2.0 mmhos /cm) <br />Available water capacity:Low (about 5.9 inches) <br />Interpretive groups <br />Land capability classification (irrigated):5w <br />Land capability (nonirrigated):5w <br />Typical profile <br />0 to 2 inches:Material <br />2 to 11 inches:Loam <br />11 to 60 inches:Very sand and gravelly loam <br />Minor Components <br />Big blue <br />Percent of map unit:5 percent <br />Landform:Depressions <br />Down -slope shape:Linear <br />Tomichi Pit, December 2013 I -4 <br />