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Ramsey County, Minnesota <br />158D—Zimmerman loamy fine sand, 12 to 25 percent slopes <br />Map Unit Setting <br />National map unit symbol: 1t98d <br />Elevation: 700 to 1,600 feet <br />Mean annual precipitation: 28 to 36 inches <br />Mean annual air temperature: 39 to 46 degrees F <br />Frost-free period: 100 to 150 days <br />Farmland classification: Not prime farmland <br />Map Unit Composition <br />Zimmerman and similar soils:90 percent <br />Minor components:10 percent <br />Estimates are based on observations, descriptions, and transects of the mapunit. <br />Description of Zimmerman <br />Setting <br />Landform:Lake plains <br />Landform position (two-dimensional):Shoulder <br />Down-slope shape:Convex <br />Across-slope shape:Convex <br />Parent material:Outwash <br />Typical profile <br />Ap,E - 0 to 15 inches: loamy fine sand <br />E/Bt - 15 to 60 inches: fine sand <br />Properties and qualities <br />Slope:12 to 25 percent <br />Depth to restrictive feature:More than 80 inches <br />Drainage class:Excessively drained <br />Capacity of the most limiting layer to transmit water (Ksat):High to very high (5.95 <br />to 19.98 in/hr) <br />Depth to water table:More than 80 inches <br />Frequency of flooding:None <br />Frequency of ponding:None <br />Available water supply, 0 to 60 inches: Low (about 5.2 inches) <br />Interpretive groups <br />Land capability classification (irrigated): None specified <br />Land capability classification (nonirrigated): 6s <br />Hydrologic Soil Group: A <br />Forage suitability group: Sandy (G090XN022MN) <br />Other vegetative classification: Sandy (G090XN022MN) <br />Hydric soil rating: No <br />Minor Components <br />Demontreville <br />Percent of map unit:5 percent <br />Hydric soil rating: No <br />Custom Soil Resource Report <br />10