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• Exhibit Page 32 • <br />i aoie i-~. ions uescnonons <br />Unit 014 <br />Name Dalmatian-Apmay-Schrader complex, 0 to 5 percent slopes. <br />Description This map unit is a complex of very deep, moderately well drained to poorly <br />drained soils on flood plains and valley floors. Elevation is 7,100 to 8,500 feet. <br />The average annual precipitation is 15 to 20 inches, the average annual air <br />temperature is 41 to 45 degrees F., and the average frost-free period is 75 to <br />100 days. The moisture regimes are ustic for the Dalmation and Apmay soils <br />and quick for the Schrader soil. The temperature regime is frigid for all the <br />soils. <br />This map unit is 35 percent Dalmatian loam, 35 percent Apmay loam and 15 <br />percent Schrader loam. The components of this unit are so intricately <br />intermingled that it was not practical to map them separately at the scale used. <br />Contrasting Inclusions <br />Included in this unit is about 5 percent open water and Riverwash in the stream <br />course, and 10 percent Ustifluvents on low terraces and floodplains. Included <br />areas make up about 15 percent of the total acreage. The percentage varies <br />from one area to another. <br />Vegetation <br />The dominant plant association is Deschampsia cespitosa/Carex spp. The <br />dominant native vegetation consists of tufted hairgrass, mountain brome, elk <br />sedge, Rocky Mountain iris, western yarrow and other perennial grasses, <br />(orbs, and shrubs. The potential production of native vegetation on these soils <br />is about 2,000 pounds of air-dry vegetation per acre. <br />Soil Management Implications <br />The unit is used for livestock grazing, wildlife habitat, recreation, and hay <br />production. Mass movement potential is rated very low for this unit because of <br />slope. <br />The main limitations to the building of unsurfaced roads on this unit are depth <br />to water table and rare flooding hazard. Proper design of road drainage <br />systems and care in the placement of culverts help to control erosion. <br />This unit is moderately well suited to pasture and hayland. Proper grazing use <br />in conjunction with a planned grazing system is important practices (sic) to <br />ensure the desired quality and quantity of native vegetation. Deferred grazing <br />will help speed up revegetation and improve range areas in poor condition. <br />Stock water development and fencing will help get getter livestock distribution <br />and improve the production of range plants. If the range vegetation is <br />seriously deteriorated, seeding is needed. Seeding late in the fall helps to <br />ensure that soil moisture will be adequate for the establishment of seedlings <br />the next spring. , <br />If this unit is used for recreational development, the main limitations are <br />Four States Aggregates, LLC 30 DEC 2000 <br />Application for Permit: Line Camp Pit FSA-LCP-D1-001 <br />