IDENTIFIERS

  • Current Taxon Name (Soil Name): Krum
  • OSD
  • Series Extent
  • User Site ID: S99TX029001
  • User Pedon ID: S99TX029001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - TAMU
  • Lab Pedon # - S99TX029001
  • NCSS Pedon Lab Data NASIS Record ID - 45739
  • Print Date: 2/17/2025
  • 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: 29.6711102
  • Std. Longitude: -98.5757523
  • Datum: WGS84
  • Location Description: On Camp Bullis, from intersection of Marne and Lewis Valley Rd., N on Lewis Valley to grassed field on E side of road.Down road on N side of field about 400' and 100' N for field fence. fence.
  • State: Texas
  • County: TX029—Bexar
  • MLRA: 81C—Edwards Plateau, Eastern Part
  • Non-MLRA Soil Survey Area: TX029—Bexar County, Texas
  • 7.5 Minute USGS Quad: 29098-F5—Camp Bullis, Texas
  • PEDON

  • Current Taxonomic Class: Fine, smectitic, thermic Pachic Udertic Haplustolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Krum
  • PSC - 25 to 102 cm.
  • Classificaton Date - 5/6/2014
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Krum
  • Classificaton Date - 11/18/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


  • SITE

  • Parent Material: clayey alluvium derived from limestone
  • Landscape: upland
  • Landform: terrace
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/18/1999 (actual site observation date)
  • Air Photo ID: 142
  • 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
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    cambic horizon

    secondary carbonates

    0—80

    26—203

    49—203

    —-

    —-

    —-

    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

    344

    A—0 to 26 centimeters (0.0 to 10.2 inches); very dark grayish brown (10YR 3/2) exterior, very dark brown (10YR 2/2) exterior, moist; clay; moderate fine subangular blocky structure; very hard, very firm, very sticky, very plastic; moderately slow permeability; 5.0 very fine roots throughout and 3.0 fine roots throughout; 2.0 very fine moderate-continuity dendritic tubular pores; fragments; very slight effervescence, by hcl, 1n; clear smooth boundary. Lab sample # TAMU6478
    Bw1—26 to 49 centimeters (10.2 to 19.3 inches); dark grayish brown (10YR 4/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; clay; weak coarse prismatic parts to moderate coarse angular blocky structure; very hard, very firm, very sticky, very plastic; moderately slow permeability; 3.0 very fine roots throughout and 3.0 fine roots throughout; 1.0 very fine moderate-continuity dendritic tubular pores; 1 percent by volume subangular 2-39-75 millimeter limestone, unspecified fragments; very slight effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # TAMU6479
    Bw2—49 to 80 centimeters (19.3 to 31.5 inches); brown (7.5YR 4/2) exterior, dark brown (7.5YR 3/2) exterior, moist; clay; weak coarse prismatic parts to moderate coarse subangular blocky structure; very hard, very firm, very sticky, very plastic; moderately slow permeability; 2.0 very fine roots throughout and 3.0 fine roots throughout; 1.0 very fine moderate-continuity dendritic tubular pores; 1 percent fine threadlike carbonate masses throughout; 3 percent by volume subangular 2-39-75 millimeter limestone, unspecified fragments; strong effervescence, by hcl, 1n; gradual wavy boundary. Lab sample # TAMU6480
    Bk1—80 to 101 centimeters (31.5 to 39.8 inches); brown (7.5YR 5/4) exterior, brown (7.5YR 4/4) exterior, moist; clay loam; weak fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderate permeability; 0.5 very fine roots throughout and 0.5 fine roots throughout; 1.0 very fine moderate-continuity dendritic tubular pores; 1 percent fine threadlike carbonate masses throughout; 14 percent by volume subangular 2-39-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n; diffuse wavy boundary. Lab sample # TAMU6481
    Bk2—101 to 125 centimeters (39.8 to 49.2 inches); brown (7.5YR 5/4) exterior, brown (7.5YR 4/4) exterior, moist; gravelly sandy clay loam; weak fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderate permeability; 0.2 very fine roots throughout and 0.2 fine roots throughout; 1.0 very fine dendritic tubular pores; 1 percent fine threadlike carbonate masses throughout; fragments; violent effervescence, by hcl, 1n; diffuse wavy boundary. Lab sample # TAMU6482
    Bk3—125 to 203 centimeters (49.2 to 79.9 inches); brown (7.5YR 5/4) exterior, brown (7.5YR 4/4) exterior, moist; gravelly clay; weak medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderate permeability; 0.1 very fine roots throughout and 0.1 fine roots throughout; 1.0 very fine moderate-continuity dendritic tubular pores; 1 percent fine threadlike carbonate masses throughout; 3 percent by volume subangular 75-162-250 millimeter limestone, unspecified fragments and 22 percent by volume subangular 2-39-75 millimeter limestone, unspecified fragments; violent effervescence, by hcl, 1n. Lab sample # TAMU6483