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

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Soil Survey of Lincoln County, West Virginia United States Department of Commerce, Bureau of the Census. 2002. Time series of West Virginia population estimates by county: April 1, 2000, to July 1, 2001, table CO-EST2001-07-54. West Virginia Geological and Economic Survey. n.d. Oil and gas production data. Retrieved 2/1/2006 from . 232
Glossary Soil Survey of Lincoln County, West Virginia ABC soil. A soil having an A, a B, and a C horizon. Ablation till. Loose, permeable till deposited during the final downwasting of glacial ice. Lenses of crudely sorted sand and gravel are common. AC soil. A soil having only an A and a C horizon. Commonly, such soil formed in recent alluvium or on steep, rocky slopes. Aeration, soil. The exchange of air in soil with air from the atmosphere. The air in a well aerated soil is similar to that in the atmosphere; the air in a poorly aerated soil is considerably higher in carbon dioxide and lower in oxygen. Aggregate, soil. Many fine particles held in a single mass or cluster. Natural soil aggregates, such as granules, blocks, or prisms, are called peds. Clods are aggregates produced by tillage or logging. Alkali (sodic) soil. A soil having so high a degree of alkalinity (pH 8.5 or higher) or so high a percentage of exchangeable sodium (15 percent or more of the total exchangeable bases), or both, that plant growth is restricted. Alluvial cone. The material washed down the sides of mountains and hills by ephemeral streams and deposited at the mouth of gorges in the form of a moderately steep, conical mass descending equally in all directions from the point of issue. Alluvial fan. The fanlike deposit of a stream where it issues from a gorge upon a plain or of a tributary stream near or at its junction with its main stream. Alluvium. Material, such as sand, silt, or clay, deposited on land by streams. Alpha,alpha-dipyridyl. A dye that when dissolved in 1N ammonium acetate is used to detect the presence of reduced iron (Fe II) in the soil. A positive reaction indicates a type of redoximorphic feature. Animal unit month (AUM). The amount of forage required by one mature cow of approximately 1,000 pounds weight, with or without a calf, for 1 month. Aquic conditions. Current soil wetness characterized by saturation, reduction, and redoximorphic features. Argillic horizon. A subsoil horizon characterized by an accumulation of illuvial clay. Arroyo. The flat-floored channel of an ephemeral stream, commonly with very steep to vertical banks cut in alluvium. Aspect. The direction in which a slope faces. Association, soil. A group of soils or miscellaneous areas geographically associated in a characteristic repeating pattern and defined and delineated as a single map unit. Available water capacity (available moisture capacity). The capacity of soils to hold water available for use by most plants. It is commonly defined as the difference between the amount of soil water at field moisture capacity and the amount at wilting point. It is commonly expressed as inches of water per inch of soil. The capacity, in inches, in a 60-inch profile or to a limiting layer is expressed as: Very low .............................................................. 0 to 3 Low ...................................................................... 3 to 6 233
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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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Limiting inclusions: Shallow soils
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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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Page 194 and 195: BA horizon: Hue—10YR Value—3 to
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Page 243: References Soil Survey of Lincoln C
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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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