IDENTIFIERS

  • Current Taxon Name (Soil Name): Lampasas
  • OSD
  • Series Extent
  • User Site ID: S1986TX193002
  • User Pedon ID: 86TX193002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 87P0049
  • NCSS Pedon Lab Data NASIS Record ID - 59345
  • Print Date: 4/29/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 31.6797218
  • Std. Longitude: -98.3966675
  • Datum: WGS84
  • Location Description: Hamilton County, TX: From intersection of FM 218 & 1702 at Indian Gap 0.9 mi N of FM 1702 1.8 mi E & N on Ranch Rd.
  • State: Texas
  • County: TX193—Hamilton
  • MLRA: 85—Grand Prairie

    • PEDON

  • Describers Name: G.L. Lane, L.C. Brockman, N.L. McCaleb J. Allison
  • Current Taxonomic Class: Fragmental, mixed, thermic Udic Haplustolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Lampasas
  • PSC - 0 to 28 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Lampasas
  • Taxonomic Class - Clayey-skeletal, montmorillonitic, thermic Lithic
  • Taxon Kind - series
  • Classificaton Date - 9/1/1986
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: shoulder
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1986 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    lithic contact

    0—28

    28—60

    —-

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    1

    —

    —

    442

    —

    315

    76

    —

    —

    26

    29

    10

    —

    —

    —

    —

    —

    —

    —

    —
    1A1—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) interior, dark grayish brown (10YR 4/2) interior, dry; gravelly silty clay; moderate coarse subangular blocky, and moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 2.5 medium roots and 5.5 fine roots; 10 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 15 percent by volume 75-162-250 millimeter limestone, unspecified fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 87P00280; very moist when described;. many fine roots; common medium roots
    1A2—8 to 15 centimeters (3.1 to 5.9 inches); very dark grayish brown (10YR 3/2) interior, dark grayish brown (10YR 4/2) interior, dry; gravelly silty clay; moderate coarse subangular blocky, and moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 2.5 medium roots and 5.5 fine roots; 10 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 40 percent by volume 75-162-250 millimeter limestone, unspecified fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # 87P00281; very moist when described;. many fine roots; common medium roots
    1A3—15 to 28 centimeters (5.9 to 11.0 inches); very dark grayish brown (10YR 3/2) interior, dark grayish brown (10YR 4/2) interior, dry; gravelly silty clay; moderate coarse subangular blocky, and moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 medium roots and 2.5 fine roots; 10 percent by volume 2-39-75 millimeter limestone, unspecified fragments and 40 percent by volume 75-162-250 millimeter limestone, unspecified fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # 87P00282; very moist when described;. Noncalcareous in fine-earth fraction.; common fine roots; few medium roots
    1R1—28 to 66 centimeters (11.0 to 26.0 inches);, very pale brown (10YR 8/2) interior, dry; unweathered bedrock; fragments. R1-Joints filled with yellowish red clay less than 5% of soil matrix.
    1R2—66 to 76 centimeters (26.0 to 29.9 inches);, very pale brown (10YR 8/2) interior, dry; unweathered bedrock; fragments. R2-Limestone, non-jointed, unfractured.