Soil Survey of Lincoln County, West Virginia - Soil Data Mart - US ...

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Soil Survey of Lincoln County, West Virginia Gilpin Organic layers: 0 to 2 inches—slightly decomposed leaf litter 2 to 3 inches—moderately decomposed, very dark gray leaf litter Surface layer: 3 to 6 inches—very dark grayish brown silt loam Subsoil: 6 to 16 inches—yellowish brown channery silt loam 16 to 28 inches—brown channery silty clay loam Bedrock: 28 to 33 inches—interbedded soft shale, siltstone, and fine grained sandstone 33 inches—hard, fine grained sandstone Soil Properties and Qualities Drainage class: Latham—moderately well drained; Gilpin—well drained Permeability: Latham—very slow; Gilpin—moderate Available water capacity: Latham—low; Gilpin—moderate Depth to a seasonal high water table: Latham—18 to 36 inches; Gilpin—more than 72 inches Flooding: None Shrink-swell potential: Latham—high; Gilpin—low Hazard of erosion: Severe Slope class: Moderately steep Stoniness: None Rockiness: None Natural fertility: Medium Reaction: In unlimed areas, extremely acid to slightly acid in the A horizon and extremely acid or very strongly acid in the subsoil and substratum of the Latham soil and extremely acid to strongly acid throughout the Gilpin soil Organic matter content in the surface layer: Moderate Surface runoff: Medium Depth to bedrock: 20 to 40 inches Inclusions Limiting inclusions: Soils with slopes of more than 25 percent Soils that are deep and somewhat poorly drained Use and Management Uses: Most areas of this map unit are used as woodland. A few areas are used as hayland or pasture. Cropland Suitability: Poorly suited Management considerations: The hazard of erosion is severe in unprotected areas. The seasonal high water table restricts the rooting depth of some plants in areas of the Latham soil. A crop rotation that includes grasses and legumes, a conservation tillage system, grassed waterways, and cover crops help to control water erosion. Most crops adapted to the survey area can be grown if an adequate drainage system is installed. 88
Soil Survey of Lincoln County, West Virginia Pasture and Hayland Suitability: Suited Management considerations: Grazing when the soil is too wet causes surface compaction and poor tilth and damages the sod. Overgrazing increases the rate of runoff and the hazard of erosion and reduces the vigor of the sod. The hay and pasture plants that can tolerate the seasonal wetness should be selected for planting. Proper stocking rates, a planned grazing system, and deferment of grazing in spring until the Latham soil is reasonably firm help to keep the pasture in good condition. Woodland Potential productivity: Latham—moderate; Gilpin—moderately high Management considerations: The seasonal high water table may restrict the rooting depth of some trees in areas of the Latham soil, resulting in a high seedling mortality rate and windthrow. Because the depth to bedrock restricts the root zone in areas of the Latham soil, trees may be uprooted during periods of strong wind or heavy snowfall. The seasonal high water table restricts the use of equipment in areas of the Latham soil to midsummer, when the soil is dry, or midwinter, when the soil is frozen or has an adequate snow cover. Erosion is a severe hazard on logging sites. The species that can tolerate the seasonal wetness should be selected for planting. Windthrow can be minimized by applying harvest methods that do not leave the remaining trees widely spaced. Building logging roads and trails on the contour and seeding the areas after they are no longer being used help to control erosion. Community Development Suitability: Poorly suited Management considerations: The depth to bedrock, the seasonal high water table, the slow permeability, and the slope are limitations affecting septic tank absorption fields in areas of the Latham soil, while the depth to bedrock and slope are limitations in areas of the Gilpin soil. The seasonal high water table, the hazard of slippage, and the slope are limitations on sites for dwellings with basements in areas of the Latham soil, while the slope is a limitation in areas of the Gilpin soil. The high shrink-swell potential, low soil strength, and the slope are limitations on sites for local roads and streets in areas of the Latham soil, while the slope is a limitation in areas of the Gilpin soil. Installing specially designed systems approved by the local health department helps to overcome the limitations affecting septic tank absorption fields. Installing foundation drains, sealing foundation walls, diverting water away from homesites, and backfilling with porous materials help to prevent the damage caused by wetness on sites for dwellings with basements. Constructing roads and streets along the contour and on suitable subgrade material and installing a surface and subsurface drainage system help to overcome the limitations on sites for local roads and streets. Interpretive Groups Land capability classification: 4e Woodland ordination symbol: 3R 89
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United States Department of Agricul
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Soil Survey of Lincoln County, West
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Foreword Soil Survey of Lincoln Cou
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Siltstone Gilpin Gilpin-Upshur Mosh
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Dissimilar inclusions: 20 percent S
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Areas of bedrock escarpment Soil Su
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Wildlife Habitat Soil Survey of Lin
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Hydric Soils Soil Survey of Lincoln
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Soil Properties Soil Survey of Linc
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Value—4 to 6 Chroma—3 to 8 Text
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BA horizon: Hue—10YR Value—3 to
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Grigsby Series Soil Survey of Linco
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Bw horizon: Hue—10YR Value—4 or
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Bt horizon: Hue—7.5YR to 2.5Y Val
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A horizon: Hue—10YR Value—3 to
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References Soil Survey of Lincoln C
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Glossary Soil Survey of Lincoln Cou
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Tables Soil Survey of Lincoln Count
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419 Table 17.--Engineering Index Pr
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439 Table 18.--Physical Properties
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NRCS Accessibility Statement The Na
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