IDENTIFIERS

  • Current Taxon Name (Soil Name): Darco
  • OSD
  • Series Extent
  • User Site ID: S1995TX315002
  • User Pedon ID: 95TX315002
  • Vegetation Plot ID: S1995TX315002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - KSSL
  • Lab Pedon # - 95P0602
  • NCSS Pedon Lab Data NASIS Record ID - 67615
  • Print Date: 2/3/2025

    • 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: 32.8177795
  • Std. Longitude: -94.2990799
  • Datum: WGS84
  • Location Description: From the intersection of US 59 & TX 49 (Jefferson); 3.2 miles East on TX 49; 2.5 miles North on TX 248; 1.5 miles South & East on Stalls Road; 20 feet West of Road.
  • State: Texas
  • County: TX315—Marion
  • MLRA: 133B—Western Coastal Plain
  • Non-MLRA Soil Survey Area: TX616—Marion and Cass Counties, Texas
  • 7.5 Minute USGS Quad: 32094-G3—Jefferson, Texas

    • PEDON

  • Describers Name: Roberts, Golden, Sabo, Hatherly, Lane
  • Current Taxon Kind: taxadjunct
  • Pedon Type: TUD pedon
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Darco
  • PSC - 157 to 203 cm.
  • Classificaton Date - 4/23/2013
  • Classifier - Donald Sabo
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Darco
  • Taxonomic Class - Loamy, siliceous, thermic Grossarenic Paleudults
  • Classificaton Date - 6/5/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: coastal plain
  • Landform: hillside
  • Runoff: low
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/5/1995 (actual site observation date)
  • Air Photo ID: 28A
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ANHA

    ANHA

    CARYA

    CORNU

    PITA

    QUST

    QUST

    RHUS

    VIMU2

    Andropogon hallii

    Andropogon hallii

    Carya

    Cornus

    Pinus taeda

    Quercus stellata

    Quercus stellata

    Rhus

    Vitis mustangensis

    sand bluestem

    sand bluestem

    hybrid hickory

    dogwood

    loblolly pine

    post oak

    post oak

    sumac

    mustang grape

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—157

    157—203

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    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

    2

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    104

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    1168

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    17.8

    22.2

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    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) loamy fine sand; weak very fine subangular blocky structure; soft, loose; 5.0 medium roots throughout and 16.0 fine roots throughout and 0.9 coarse roots throughout; 0.9 fine vesicular pores; 1 percent medium irregular ironstone nodules throughout; fragments; strongly acid, pH 5.3, pH meter; clear smooth boundary. Lab sample # 95P04437
    E1—10 to 25 centimeters (3.9 to 9.8 inches); yellowish brown (10YR 5/4) loamy fine sand; weak medium subangular blocky structure; soft, loose; 5.0 fine and medium roots throughout and 0.9 coarse roots throughout; 0.9 fine vesicular pores; 1 percent fine irregular ironstone nodules throughout; fragments; strongly acid, pH 5.1, pH meter; gradual smooth boundary. Lab sample # 95P04438
    E2—25 to 71 centimeters (9.8 to 28.0 inches); light yellowish brown (10YR 6/4) fine sand; weak medium subangular blocky structure; soft, loose; 5.0 fine and medium roots throughout and 0.9 coarse roots throughout; 0.9 fine vesicular pores; 1 percent fine irregular ironstone nodules throughout; fragments; strongly acid, pH 5.5, pH meter; gradual smooth boundary. Lab sample # 95P04439
    E3—71 to 119 centimeters (28.0 to 46.9 inches); 98 percent light yellowish brown (10YR 6/4) and 2 percent brown (7.5YR 5/4) fine sand; weak medium subangular blocky structure; soft, loose; 4.0 fine and medium roots throughout and 0.9 coarse roots throughout; 0.9 fine vesicular pores; fragments; strongly acid, pH 5.3, pH meter. Lab sample # 95P04440
    E/B—119 to 157 centimeters (46.9 to 61.8 inches); 8 percent brown (7.5YR 5/4) fine sandy loam; weak medium subangular blocky structure; loose, very friable; 0.9 fine to coarse roots throughout; 1.0 fine and medium vesicular pores; 3 percent by volume subangular 75-162-250 millimeter sedimentary, unspecified fragments; strongly acid, pH 5.5, pH meter; clear smooth boundary. Lab sample # 95P04441. 3% ironstone fragments, 2-3 cm across; few pockets of ironstone fragments comprising about 30% of mass.
    E/B—119 to 157 centimeters (46.9 to 61.8 inches); 92 percent light yellowish brown (10YR 6/4) fine sand; fragments. Lab sample # 95P04441
    Bt1—158 to 188 centimeters (62.2 to 74.0 inches); red (2.5YR 5/8) sandy clay loam; 1 percent pale brown (10YR 6/3) fine prominent and 5 percent yellowish brown (10YR 5/6) medium prominent mottles; weak coarse prismatic parts to weak fine and medium subangular blocky structure; hard, friable; 0.9 fine to coarse roots throughout; 1.0 fine vesicular pores; 2 percent faint red (2.5YR 5/6), moist, clay films on lower surfaces of peds or rocks; fragments; extremely acid, pH 4.1, pH meter; gradual smooth boundary. Lab sample # 95P04442. patchy - phpvsfiid 1163273; patchy - phpvsfiid 1163273
    Bt2—188 to 203 centimeters (74.0 to 79.9 inches); yellowish red (5YR 5/6) sandy clay loam; 15 percent yellowish brown (10YR 5/6) medium distinct mottles; weak coarse prismatic parts to weak fine and medium subangular blocky structure; hard, very friable; 0.9 fine to coarse roots throughout; 1.0 fine vesicular pores; 2 percent faint reddish brown (5YR 5/4), moist, clay films on lower surfaces of peds or rocks; fragments; very strongly acid, pH 4.7, pH meter. Lab sample # 95P04443. patchy - phpvsfiid 1163274; patchy - phpvsfiid 1163274