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Custom Soil Resource Report <br /> Chaffee-Lake Area, Colorado, Parts of Chaffee and Lake Counties <br /> GP—Pits, gravel <br /> Map Unit Setting <br /> National map unit symbol: 1 Ipgv <br /> Elevation: 6,100 to 7,500 feet <br /> Mean annual precipitation: 14 to 22 inches <br /> Mean annual air temperature: 42 to 50 degrees F <br /> Frost-free period. 80 to 120 days <br /> Map Unit Composition <br /> Pits, gravel: 100 percent <br /> Estimates are based on observations, descriptions, and transects of the mapunit. <br /> Description of Pits, Gravel <br /> Setting <br /> Landform: Flood-plain steps <br /> Landform position (three-dimensional): Tread <br /> Typical profile <br /> C- 0 to 60 inches: very gravelly sand <br /> Properties and qualities <br /> Slope: 0 to 4 percent <br /> Runoff class: Negligible <br /> Capacity of the most limiting layer to transmit water(Ksat): High to very high (2.00 <br /> to 99.90 in/hr) <br /> Depth to water table: About 0 to 24 inches <br /> Frequency of flooding. Frequent <br /> Available water storage in profile: Very low(about 1.8 inches) <br /> Interpretive groups <br /> Land capability classification (irrigated): None specified <br /> Land capability classification (nonirrigated): 8s <br /> Hydric soil rating: No <br /> Mh—Marsh <br /> Map Unit Setting <br /> National map unit symbol: jg8r <br /> Elevation: 8,500 to 11,000 feet <br /> Mean annual precipitation: 19 to 25 inches <br /> Mean annual air temperature: 34 to 37 degrees F <br /> Frost-free period: 40 to 80 days <br /> Farmland classification: Not prime farmland <br /> Map Unit Composition <br /> Wet marsh soils and similar soils: 94 percent <br /> Minor components: 6 percent <br /> 13 <br />