IDENTIFIERS

  • Current Taxon Name (Soil Name): Elmendorf
  • OSD
  • Series Extent
  • User Site ID: S1993TX177006
  • User Pedon ID: 93TX177006
  • Vegetation Plot ID: S1993TX177006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 93P0594
  • NCSS Pedon Lab Data NASIS Record ID - 65937
  • 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: 29.2091675
  • Std. Longitude: -97.6844406
  • Datum: WGS84
  • Location Description: From the intersection of US Hwy 87 and Farm Rd 108 in Smiley, TX; 1 mile S on Farm Rd 108 to intersection with County Rd 108 211; 4 miles SW on County Rd 211 to intersection with County Rd 534; 1 mile NW on County Rd 534 to ranch road; 0.4 mile SW then 0.2 mile N and 20 feet in rangeland.
  • State: Texas
  • County: TX177—Gonzales
  • MLRA: 83A—Northern Rio Grande Plain
  • Non-MLRA Soil Survey Area: TX177—Gonzales County, Texas
  • 7.5 Minute USGS Quad: 29097-B6—Bald Mound, Texas
  • PEDON

  • Describers Name: Edward L. Griffin
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Elmendorf
  • Taxonomic Class - Fine, montmorillonitic Vertic Calciustolls
  • PSC - 23 to 73 cm.
  • Classificaton Date - 6/8/1993
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: medium
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/8/1993 (actual site observation date)
  • Air Photo ID: A.S. 53
  • Microrelief Kind: microdepression
  • 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
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ECHIN2

    PROSO

    Echinocactus

    Prosopis

    echinocactus

    mesquite

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

    mollic epipedon

    argillic horizon

    slickensides

    calcic horizon

    lithic contact

    0—98

    23—137

    37—137

    137—170

    170—200

    —-

    —-

    —-

    —-

    —-

    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

    105

    315

    A1—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2), very dark grayish brown (10YR 3/2), moist; sandy clay loam; weak fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderate permeability; 20.0 very fine and fine roots throughout and 2.0 medium roots throughout and 0.5 coarse roots throughout; 10.0 very fine to medium moderate-continuity tubular pores; fragments; 2 percent krotovinas (volume percent); noneffervescent, by hcl, unspecified; abrupt smooth boundary. Lab sample # 93P04207; moist when described;
    A2—10 to 23 centimeters (3.9 to 9.1 inches); very dark gray (10YR 3/1), very dark gray (10YR 3/1), moist; clay loam; weak fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 20.0 very fine and fine roots throughout and 2.0 medium roots throughout; 10.0 very fine to medium moderate-continuity tubular pores; 3 percent distinct pressure faces on faces of peds; fragments; 2 percent krotovinas (volume percent); noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 93P04208; moist when described;. few siliceous pebbles.; patchy - phpvsfiid 176111; patchy - phpvsfiid 176111
    Bt—23 to 37 centimeters (9.1 to 14.6 inches); black (10YR 2/1), black (10YR 2/1), moist; clay; moderate fine and medium angular blocky structure; extremely hard, extremely firm*, very sticky, very plastic; very slow permeability; 15.0 very fine and fine roots between peds and 5.0 medium roots between peds and 0.5 coarse roots between peds; 10.0 very fine to medium moderate-continuity tubular pores; 5 percent distinct nonintersecting slickensides on horizontal faces of peds and 5 percent distinct pressure faces on faces of peds and 5 percent clay films on faces of peds and in pores; 1 percent fine spherical carbonate concretions throughout; fragments; 1 percent krotovinas (volume percent); noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 93P04209; moist when described;. few siliceous pebbles.; discontinuous - phpvsfiid 176112; patchy - phpvsfiid 192018; continuous - phpvsfiid 192019; discontinuous - phpvsfiid 176112; patchy - phpvsfiid 192018; continuous - phpvsfiid 192019
    Btss1—37 to 68 centimeters (14.6 to 26.8 inches); black (10YR 2/1), black (N 2/0), moist; clay; moderate medium angular blocky structure; extremely hard, extremely firm*, very sticky, very plastic; very slow permeability; 5.0 very fine and fine roots between peds; 2.0 fine low-continuity tubular pores; 5 percent distinct pressure faces on faces of peds and 10 percent distinct slickensides (pedogenic) on horizontal faces of peds and 10 percent clay films on faces of peds and in pores; 1 percent fine spherical carbonate concretions throughout; fragments; very slight effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 93P04210; moist when described;. continuous - phpvsfiid 192020; patchy - phpvsfiid 192021; continuous - phpvsfiid 192022; continuous - phpvsfiid 192020; patchy - phpvsfiid 192021; continuous - phpvsfiid 192022
    Btss2—68 to 98 centimeters (26.8 to 38.6 inches); dark gray (10YR 4/1), very dark gray (10YR 3/1), moist; clay; moderate medium and coarse angular blocky structure; extremely hard, extremely firm*, very sticky, very plastic; very slow permeability; 2.0 fine roots between peds; 2.0 fine low-continuity tubular pores; 5 percent distinct pressure faces on faces of peds and 5 percent clay films on faces of peds and in pores and 15 percent distinct slickensides (pedogenic) on horizontal faces of peds; 1 percent fine spherical carbonate concretions throughout and 1 percent fine and medium irregular carbonate masses throughout; fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 93P04211; moist when described;. few vertical cracks filled with N 2/0 clay.; continuous - phpvsfiid 192023; patchy - phpvsfiid 192024; continuous - phpvsfiid 192025; continuous - phpvsfiid 192023; patchy - phpvsfiid 192024; continuous - phpvsfiid 192025
    Btss3—98 to 116 centimeters (38.6 to 45.7 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; 5 percent olive brown (2.5Y 4/4) fine distinct mottles; moderate medium angular blocky structure; extremely hard, extremely firm*, very sticky, very plastic; very slow permeability; 0.5 fine roots between peds; 0.5 fine low-continuity tubular pores; 5 percent distinct pressure faces on faces of peds and 5 percent clay films on faces of peds and in pores and 20 percent prominent slickensides (pedogenic) on horizontal faces of peds; 1 percent fine and medium irregular carbonate masses between peds; fragments; strong effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 93P04212; moist when described;. few vertical cracks filled with 10YR 3/1 clay.; continuous - phpvsfiid 192026; patchy - phpvsfiid 192027; patchy - phpvsfiid 192028; continuous - phpvsfiid 192026; patchy - phpvsfiid 192027; patchy - phpvsfiid 192028
    Btss4—116 to 137 centimeters (45.7 to 53.9 inches); light brownish gray (2.5Y 6/2), grayish brown (2.5Y 5/2), moist; clay; 5 percent olive yellow (2.5Y 6/6) fine distinct mottles; moderate medium angular blocky structure; extremely hard, extremely firm*, very sticky, very plastic; very slow permeability; 0.5 fine roots between peds; 0.5 fine low-continuity tubular pores; 2 percent clay films on faces of peds and in pores and 5 percent distinct slickensides (pedogenic) on horizontal faces of peds and 5 percent distinct pressure faces on faces of peds; 1 percent fine platy gypsum crystals, unspecified throughout and 1 percent fine and medium irregular carbonate masses between peds; fragments; strong effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 93P04213; moist when described;. few vertical cracks filled with 10YR 3/1 clay.; continuous - phpvsfiid 192029; patchy - phpvsfiid 192030; patchy - phpvsfiid 192031; continuous - phpvsfiid 192029; patchy - phpvsfiid 192030; patchy - phpvsfiid 192031
    BCk—137 to 160 centimeters (53.9 to 63.0 inches); pale yellow (5Y 7/3), pale olive (5Y 6/3), moist; silty clay; 2 percent olive yellow (2.5Y 6/8) medium distinct mottles; weak medium and coarse angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; moderately slow permeability; 0.5 fine roots between peds; 0.5 fine low-continuity tubular pores; 2 percent fine platy gypsum crystals, unspecified throughout and 5 percent medium irregular carbonate masses between peds; fragments; strong effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 93P04214; moist when described;
    CBk—160 to 170 centimeters (63.0 to 66.9 inches); pale yellow (2.5Y 7/4), light yellowish brown (2.5Y 6/3), moist; silty clay loam; 1 percent light olive brown (2.5Y 5/4) medium distinct mottles; weak fine and medium platy structure; very hard, firm, slightly sticky, slightly plastic; moderate permeability; 0.5 fine roots in cracks; 1 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on faces of peds and in pores; 2 percent fine platy gypsum crystals, unspecified throughout and 10 percent medium irregular carbonate masses between peds; fragments; very slight effervescence, by hcl, unspecified; abrupt smooth boundary. Lab sample # 93P04215; moist when described;. patchy - phpvsfiid 176113; patchy - phpvsfiid 176113
    2C—170 to 200 centimeters (66.9 to 78.7 inches); pale yellow (2.5Y 8/2), light gray (2.5Y 7/2), moist; silt loam; 15 percent yellowish brown (10YR 5/8) coarse prominent mottles; massive; hard, firm, nonsticky, nonplastic; moderately slow permeability; 0.5 fine roots in cracks; 1 percent prominent yellowish brown (10YR 5/8), moist, manganese or iron-manganese stains on faces of peds and in pores and 2 percent distinct brownish yellow (10YR 6/8), moist, carbonate coats on faces of peds and in pores; fragments; noneffervescent, by hcl, unspecified. Lab sample # 93P04216; moist when described;. weakly consolidated siltstone.; patchy - phpvsfiid 176114; patchy - phpvsfiid 176115; patchy - phpvsfiid 176114; patchy - phpvsfiid 176115