IDENTIFIERS

  • Current Taxon Name (Soil Name): Cho
  • OSD
  • Series Extent
  • User Site ID: S81-TX267-001
  • User Pedon ID: S81TX267001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S81TX267001
  • NCSS Pedon Lab Data NASIS Record ID - 45689
  • Print Date: 11/26/2024
  • 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: 30.4400005
  • Std. Longitude: -99.9313889
  • Datum: WGS84
  • Location Description: From Junction, TX, 11 miles west on IH 10, then south across the Llano River on the Edward Dunbar Ranch.
  • Map Unit: CoC—Cho gravelly loam, dry, 1 to 8 percent slopes
  • Country: US—United States
  • State: Texas
  • County: TX267—Kimble
  • MLRA: 81B—Edwards Plateau, Central Part
  • Regional Office: SC—South Central
  • Non-MLRA Soil Survey Area: TX267—Kimble County, Texas
  • PEDON

  • Describers Name: M.Rabenhorst, L. Wilding, C.L.Girdner
  • Current Taxonomic Class: Loamy, mixed, thermic, shallow Petrocalcic Calciustolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Cho
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/4/2012
  • Sampled As Information:
  • Soil Name - Cho variant
  • Classificaton Date - 7/24/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: limestone, unspecified
  • Hill Slope Profile: summit
  • Drainage Class: well
  • Bedrock: limestone, unspecified at 20cm
  • Geology: Segovia member of the Edwards Limestone formation in the Cretaceous group.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/24/1981 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    petrocalcic horizon

    paralithic contact

    0—6

    6—20

    20—56

    —-

    —-

    —-

    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

    698

    A1—0 to 1 centimeters (0.0 to 0.4 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; gravelly silt loam; weak medium platy, and moderate fine granular structure; soft; 8.0 fine roots; 15 percent by volume flat angular indurated petrocalcic fragments fragments; slight effervescence; abrupt smooth boundary. Lab sample # TAMU1218
    A2—1 to 6 centimeters (0.4 to 2.4 inches); very dark grayish brown (10YR 3/2), very dark grayish brown (10YR 3/2), moist; gravelly silty clay loam; moderate medium subangular blocky, and moderate fine granular structure; hard; 3.0 fine roots; 15 percent by volume flat angular indurated petrocalcic fragments fragments; slight effervescence; abrupt smooth boundary. Lab sample # TAMU1219
    A/Bkm—6 to 20 centimeters (2.4 to 7.9 inches); very pale brown (10YR 8/2), very dark grayish brown (10YR 3/2), moist; cemented material; moderate fine granular structure; 8.0 fine roots; fragments; abrupt smooth boundary. Lab sample # TAMU1220
    Crk1—20 to 28 centimeters (7.9 to 11.0 inches); very pale brown (10YR 8/2), pale brown (10YR 6/3), moist; fragments. Lab sample # TAMU1221, TAMU1222
    Crk2—28 to 39 centimeters (11.0 to 15.4 inches); white (10YR 8/1); fragments. Lab sample # TAMU1223
    Crk3—39 to 56 centimeters (15.4 to 22.0 inches); pale yellow (2.5Y 8/2); fragments. Lab sample # TAMU1224