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

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Soil Survey of Lincoln County, West Virginia of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Chagrin loam, frequently flooded, is a phase of the Chagrin series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Gilpin-Wharton complex, 15 to 35 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Berks- Shelocta association, very steep, extremely stony, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Kaymine and Fiveblock soils, 0 to 8 percent slopes, extremely stony, is an undifferentiated group in this survey area. This survey includes miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Urban land is an example. Table 4 gives the acreage and proportionate extent of each map unit. Other tables give properties of the soils and the limitations, capabilities, and potentials for many uses. The Glossary defines many of the terms used in describing the soils or miscellaneous areas. AgB—Allegheny loam, bedrock substratum, 3 to 8 percent slopes Setting Landscape position: On high strath terraces and alluvial fans along the larger streams; throughout the county Composition Allegheny and similar soils: 90 percent Dissimilar inclusions: 10 percent Typical Profile Surface layer: 0 to 8 inches—dark grayish brown loam Subsoil: 8 to 14 inches—yellowish brown loam 14 to 30 inches—strong brown clay loam 30 to 36 inches—strong brown sandy loam Substratum: 36 to 50 inches—strong brown sandy loam 18
Bedrock: 50 inches—shale and siltstone Soil Survey of Lincoln County, West Virginia Soil Properties and Qualities Drainage class: Well drained Permeability: Moderate Available water capacity: Moderate Depth to a seasonal high water table: More than 72 inches Flooding: None Shrink-swell potential: Low Hazard of erosion: Slight Slope class: Gently sloping Stoniness: None Rockiness: None Natural fertility: Medium Reaction: In unlimed areas, extremely acid to moderately acid Organic matter content in the surface layer: Moderate Surface runoff: Very low Depth to bedrock: 40 to 60 inches Inclusions Limiting inclusions: Soils with slopes of more than 8 percent Soils that are severely eroded Areas where stones cover as much as 3 percent of the soil surface Monongahela soils Use and Management Uses: Most areas of this Allegheny soil are used for row crops, such as tobacco or corn. Some are used as hayland or pasture. Cropland Suitability: Well suited Management considerations: Erosion is a moderate hazard in unprotected areas if slopes are more than 8 percent. A crop rotation that includes grasses and legumes or small grain helps to control runoff and water erosion. Pasture and Hayland Suitability: Well suited Management considerations: Establishing and maintaining a healthy cover of sod and preventing overgrazing are the major management concerns in pastured areas. Proper stocking rates, a planned grazing system, and deferred grazing during wet periods help to keep the pasture in good condition. Woodland Potential productivity: High Management considerations: Plant competition is severe if openings are made in the canopy. Competing vegetation can generally be controlled by mechanical means. Community Development Suitability: Well suited 19
Page 1: United States Department of Agricul
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Page 11: Foreword Soil Survey of Lincoln Cou
Page 27: Siltstone Gilpin Gilpin-Upshur Mosh
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Soil Survey of Lincoln County, West
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Prime farmland: No Hydric soil: No
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Organic layer: 0 to 2 inches—slig
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Land capability classification: 2w
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Surface runoff: Medium Depth to bed
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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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