IDENTIFIERS

  • Current Taxon Name (Soil Name): Gepp
  • OSD
  • Series Extent
  • User Site ID: 1974AR121006M
  • User Pedon ID: 1974AR121006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UARK
  • Lab Pedon # - 74RO06
  • Print Date: 12/5/2025

    • 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: 36.4787000
  • Std. Longitude: -91.2656000
  • Datum: WGS84
  • Township: T21N
  • Range: R3W
  • Section: 11
  • PLSS Details: SE 1/4 of the SE 1/4 of the SW 1/4
  • Location Description: SE1/4SE1/4SW1/4, Sec. 11, T21N, R3W
  • State: Arkansas
  • County: AR121—Randolph
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: Brown and McFadden
  • Current Taxonomic Class: Very-fine, mixed, semiactive, mesic Typic Paleudalfs
  • Current Taxon Kind: series
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Macedonia
  • PSC - 18 to 68 cm.
  • Classificaton Date - 12/10/2018
  • Sampled As Information:
  • Soil Name - Gepp
  • Taxonomic Class - Very-fine, mixed, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 9/18/2017
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/27/2012 (entry creation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments.
    A—2 to 5 centimeters (0.8 to 2.0 inches); dark grayish brown (10YR 4/2) silt loam; weak fine granular structure; very friable; common roots; few pores; worm casts; fragments; moderately acid, pH 6.0. Lab sample # UAR0007875
    E—5 to 20 centimeters (2.0 to 7.9 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; common medium roots and common fine roots; few pores; fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # UAR0007876
    BE—20 to 35 centimeters (7.9 to 13.8 inches); 5YR 4/8 (5YR 4/8) silty clay loam; yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) mottles; weak medium subangular blocky structure; friable; few medium roots and few fine roots; few pores; 10 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 5.0; clear smooth boundary. Lab sample # UAR0007877
    2Bt1—35 to 73 centimeters (13.8 to 28.7 inches); red (2.5YR 4/8) clay; strong fine angular blocky, and strong medium subangular blocky structure; firm; few roots; few pores; clay films on all faces of peds; 5 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 4.5; gradual smooth boundary. Lab sample # UAR0007878. continuous - phpvsfiid 1601602; continuous - phpvsfiid 1601602
    2Bt21—73 to 106 centimeters (28.7 to 41.7 inches); red (2.5YR 4/8) clay; 10 percent 10YR 4/8 (10YR 4/8) and 10 percent yellowish red (5YR 5/8) mottles; strong fine angular blocky parts to strong medium subangular blocky structure; firm; few pores; clay films on all faces of peds and clay films on surfaces along pores; 5 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 5.0; gradual smooth boundary. Lab sample # UAR0007879. continuous - phpvsfiid 1601603; continuous - phpvsfiid 1601603
    2Bt22—106 to 137 centimeters (41.7 to 53.9 inches); red (2.5YR 4/8) clay; 10YR 4/8 (10YR 4/8) and 5YR 4/8 (5YR 4/8) mottles; strong fine angular blocky parts to strong medium subangular blocky structure; firm; few pores; clay films on all faces of peds and clay films on surfaces along pores; 5 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; very strongly acid, pH 5.0; gradual smooth boundary. Lab sample # UAR0007880. continuous - phpvsfiid 1601605; continuous - phpvsfiid 1601605
    2Bt31—137 to 162 centimeters (53.9 to 63.8 inches); yellowish red (5YR 5/8) clay; strong brown (7.5YR 5/8) and dark yellowish brown (10YR 4/6) and light gray (10YR 7/1) mottles; strong fine angular blocky parts to moderate medium subangular blocky structure; firm; clay films on all faces of peds; 10 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; strongly acid, pH 5.5. Lab sample # UAR0007881. continuous - phpvsfiid 1601607; continuous - phpvsfiid 1601607
    2Bt32—162 to 185 centimeters (63.8 to 72.8 inches); 5YR 4/8 (5YR 4/8) clay; strong brown (7.5YR 5/8) and light gray (10YR 7/1) mottles; strong fine angular blocky parts to moderate medium subangular blocky structure; firm; clay films on all faces of peds; 10 percent by volume nonflat indurated 2-?-75 millimeter chert fragments; strongly acid, pH 5.5. Lab sample # UAR0007882. continuous - phpvsfiid 1601608; continuous - phpvsfiid 1601608