LOCATION LINKER AR+AL GA KY MS OK TN
Established Series
RF-RV/Rev. MDJ
04/2016
LINKER SERIES
TAXONOMIC CLASS: Fine-loamy, siliceous, semiactive, thermic Typic Hapludults
TYPICAL PEDON: Linker fine sandy loam, 3 to 8 percent slopes in pasture that had previously been cultivated. (Colors are for moist soil unless otherwise indicated.)
Ap--0 to 10 cm (0 to 4 inches); brown (10YR 5/3), fine sandy loam; weak medium granular structure; very friable; many fine roots; common fine pores; 1 percent (few) worm casts; 5 percent 150 to 380 mm flagstones; slightly acid (pH 6.5); clear wavy boundary. (10 to 18 cm (4 to 7 inches) thick)
Bt1--10 to 23 cm (4 to 9 inches); yellowish red (5YR 4/6), loam; 5 percent fine faint yellowish red (5YR 5/8) mottles ; weak medium subangular blocky structure; friable; common fine roots; many medium pores; 1 percent (few) worm casts; 5 percent (few) clay films on all faces of peds and 5 percent (few) clay films on surfaces along pores and 5 percent (few) clay bridges on surfaces along pores; 5 percent 150 to 380 mm flagstones; medium acid (5.6); clear wavy boundary. (0 to 18 cm (0 to 7 inches) thick)
Bt2--23 to 61 cm (9 to 24 inches); yellowish red (5YR 4/6), loam; 5 percent fine faint yellowish red (5YR 5/8) mottles; moderate medium subangluar blocky structure; friable; few fine roots; common fine pores; 30 percent (common) clay films on all faces of peds and 15 percent (few) clay films on surfaces along pores; 5 percent 150 to 380 mm flagstones; very strongly acid (5.0); clear wavy boundary. (30 to 51 cm (12 to 20 inches) thick)
Bt3--61 to 89 cm (24 to 35 inches); yellowish red (5YR 4/6), gravelly fine sandy loam; 30 percent medium prominent pale brown (10YR 6/3) mottles; weak medium subangular blocky structure; friable; common fine pores; 5 percent (few) clay films on all faces of peds; 15 percent 2 to 64 mm gravels and 5 percent 150 to 380 mm flagstones; very strongly acid (4.8); abrupt wavy boundary. (0 to 38 cm (0 to 15 inches) thick)
R--89 cm (35 inches); slightly weathered, level bedded, acid sandstone.
TYPE LOCATION:
County: Pope
State: Arkansas
USGS Quadrangle: Hector
Latitude (Decimal Degrees, NAD 83): 35.386003 N
Longitude (Decimal Degrees, NAD 83): 92.992572 W
Directions to the pedon: 2.4 miles north of Moreland on Buck Mountain, 300 feet east and 50 feet north of road turn, on crest of ridge.
RANGE IN CHARACTERISTICS:
Depth to the top of the Argillic: 10 to 33 cm (4 to 13 inches)
Depth to the base of the Argillic: 51 to 102 cm (20 to 40 inches)
Solum Thickness: 51 to 102 cm (20 to 40 inches)
Depth to Bedrock: 51 to 102 cm (20 to 40 inches)
Depth Class: Moderately Deep
Depth to Seasonal High Water Table: None
Surface Rock Fragment Content: 0 to 25 percent stones recognized
Rock Fragment content: 0 to 25 percent, by volume, in all horizons
Soil Reaction: extremely acid to strongly acid, except for surface layers limed
Range of Individual Horizons:
A or Ap horizon:
Color--hue of 10YR or 7.5YR, value of 4 or 5, and chroma of 3 to 5
Texture (fine-earth fraction)--fine sandy loam, loam
E or BE horizon (if it occurs):
Color--hue of 10YR or 7.5YR, value of 5, and chroma of 4 to 6
Texture (fine-earth fraction)--fine sandy loam, loam
BA horizon (if it occurs):
Color--hue of 5YR or 7.5YR, value of 4 or 5, and chroma of 6
Texture (fine-earth fraction)--fine sandy loam, loam
Bt horizon:
Color--hue of 2.5YR to 7.5YR, value of 4 to 6, and chroma of 6 or 8
Texture (fine-earth fraction)--sandy clay loam, clay loam, loam
Mottles (if they occur)--red, brown, and gray lithochromic mottles
BC horizon (if it occurs):
Color--hue of 2.5YR to 7.5YR, value of 4 to 6, and chroma of 4 to 8
Texture (fine-earth fraction)--sandy clay loam, fine sandy loam, loam
Mottles (if they occur)--red, brown, and gray lithochromic mottles
Cr horizon (if it occurs):
Color--hue of 2.5YR to7.5YR, value of 4 to 6, and chroma of 4 to 8
Mottles (if they occur)--reddish, brownish, and grayish lithochromic mottles
COMPETING SERIES:
Murfreesboro soils are very deep and formed in loamy alluvium.
Nauvoo soils are deeper than 102 cm (40 inches) to bedrock.
Pikecity soils are very deep and formed in loamy and gravelly marine sediments of Cretaceous Age.
Pirum soils have an irregular lower boundary and lithic contact within 127cm (50 inches). They formed in loamy residuum from tilted and folded sandstone bedrock.
GEOGRAPHIC SETTING:
MLRA(s) using this series: 117, 118A, 118B, 119, 125, 129
Landscape: Hills and Mountains
Landform: Hills and Mountains
Geomorphic Component: Hill Interfluve, Mountaintop
Hillslope Profile Position: Summit, Shoulder
Parent Material Origin: Sandstone
Parent Material Kind: Loamy residuum
Slope: 1 to 15 percent
Elevation: 60 to 830 meters
Frost-free period: 200 to 260 days
Mean Annual Air Temperature: 12 to 17 degrees C.
Mean Annual Precipitation: 1100 to 1540 millimeters
GEOGRAPHICALLY ASSOCIATED SOILS:
Enders soils are deep. The particle size class is fine, the mineralogy is mixed, and the activity class is active.
Leadvale soils are deeper than 102 cm (40 inches) and contain a fragipan. These soils formed in silty alluvium and the particle size class is fine-silty.
Mountainburg soils are shallow to a lithic contact. The particle size class is loamy-skeletal and the activity class is subactive.
Nella soils are very deep, the solum thickness is greater than 152cm (60 inches).
Sidon soils are deep and have a fragipan.
Steprock soils have a loamy-skeletal particle size class and a subactive activity class.
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage Class (Agricultural): Well Drained
Internal Free Water Occurrence: None
Index Surface Runoff: Slow to Rapid
Saturated Hydraulic Conductivity Class: Moderately High
Permeability Class (obsolete): Moderate
Shrink-swell Class: Low
Flooding Frequency and Duration: None
Ponding Frequency and Duration: None
USE AND VEGETATION:
Major Uses: Pasture, poultry operations, woodland
Dominant Vegetation: Bermuda grass, Bahaiagrass; Where wooded--Red Oak, Post Oak, Blackjack Oak, Sweetgum, Blackgum, Hickory, Shortleaf Pine.
DISTRIBUTION AND EXTENT:
Distribution: Boston Mountains, Arkansas Valley and Ridges, and Ouachita Highlands of Arkansas, and Oklahoma; Cumberland Plateau and Mountains of Tennessee, Kentucky, and Georgia; Sand Mountain area of Alabama.
Extent: Large extent, about 1,500,000 acres in size
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: MORGANTOWN, WEST VIRGINIA
SERIES ESTABLISHED: Pope County, Arkansas, 1939.
REMARKS: The Linker series was classified in the Red-Yellow Podzolic great soil group in the 1938 classification system.
Diagnostic horizons and soil characteristics recognized in this pedon are:
Ochric epipedon--the zone from 0 to 4 inches (Ap horizon)
Argillic horizon--the zone from 4 to 35 inches (Bt horizons)
Other soil features identified with this pedon:
Lithic contact: 35 inches
Series control section--the zone from 0 to 40 inches
ADDITIONAL DATA:
Characterization data is available from the KSSL for the following pedons:
59AR115001, 59AR115002, 80AR115001
Lab data is available from the University of Arkansas for the following pedons:
S63AR143-25, S64AR047-01, S64AR047-02, S69AR009-05, S69AR067-02, S69AR131-08, S70AR071-04
________________________________________
National Cooperative Soil Survey
U.S.A.