IDENTIFIERS

  • Current Taxon Name (Soil Name): Hildebrecht
  • OSD
  • Series Extent
  • User Site ID: 1999MO221223
  • User Pedon ID: 1999MO221223
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9922126
  • NCSS Pedon Lab Data NASIS Record ID - 35362
  • Print Date: 11/21/2024

    • 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: 37.9461389
  • Std. Longitude: -90.9891944
  • Datum: WGS84
  • Location Description: Mark Twain State Forest
  • Map Unit: z73174—Lily-Yelton complex, 8 to 15 percent slopes
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO221—Washington County, Missouri

    • PEDON

  • Describers Name: RT/DS
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Oxyaquic Fragiudalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Hildebrecht
  • PSC - 18 to 46 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Viraton
  • Taxon Kind - series
  • Classificaton Date - 9/1/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess/colluvium/residuum
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Geology: Roubidoux formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1999 (actual site observation date)
  • Air Photo ID: 21
  • 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

    9

    —

    —

    357

    —

    20

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3), very pale brown (10YR 7/3), dry; silt loam; weak fine and medium subangular blocky structure; 6.0 very fine and fine roots and 6.0 medium and coarse roots; 6.0 fine and medium interstitial and tubular pores; fragments; extremely acid, pH 4.0, hellige-truog; clear smooth boundary. Lab sample # MU063411
    E—8 to 18 centimeters (3.1 to 7.1 inches); light brownish gray (10YR 6/2) silt loam; weak fine and medium subangular blocky, and strong fine platy structure; 6.0 very fine and fine roots and 3.0 medium and coarse roots; 6.0 fine and medium interstitial and tubular pores; 60 percent prominent silt coats; fragments; extremely acid, pH 4.1, hellige-truog; clear smooth boundary. Lab sample # MU063412. discontinuous - phpvsfiid 139165; discontinuous - phpvsfiid 139165
    Bt1—18 to 25 centimeters (7.1 to 9.8 inches); yellowish brown (10YR 5/6) silt loam; moderate fine subangular blocky parts to weak fine platy structure; 6.0 very fine and fine roots and 1.0 medium and coarse roots; 3.0 fine and medium interstitial and tubular pores; 15 percent distinct clay films and 35 percent prominent silt coats; fragments; extremely acid, pH 4.1, hellige-truog; gradual smooth boundary. Lab sample # MU063413. discontinuous - phpvsfiid 139166; discontinuous - phpvsfiid 139167; discontinuous - phpvsfiid 139166; discontinuous - phpvsfiid 139167
    Bt2—25 to 46 centimeters (9.8 to 18.1 inches); strong brown (7.5YR 5/6) silty clay loam; weak fine prismatic parts to moderate fine subangular blocky structure; 3.0 very fine and fine roots and 2.0 medium and coarse roots; 6.0 fine and medium interstitial and tubular pores; 35 percent clay films; fragments; extremely acid, pH 4.1, hellige-truog; clear smooth boundary. Lab sample # MU063414
    2Btx1—46 to 58 centimeters (18.1 to 22.8 inches); 70 percent light yellowish brown (10YR 6/4) and 30 percent strong brown (7.5YR 5/6) very gravelly silt loam; moderate very coarse prismatic structure; 0.5 very fine and fine roots; 3.0 fine and medium interstitial pores; 15 percent prominent clay films and 60 percent prominent silt coats; 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.2, hellige-truog; clear smooth boundary. Lab sample # MU063415. Grey Seams along prism faces about 5-6 inches apart.; discontinuous - phpvsfiid 136589; discontinuous - phpvsfiid 139169; discontinuous - phpvsfiid 136589; discontinuous - phpvsfiid 139169
    2Btx2—58 to 69 centimeters (22.8 to 27.2 inches); yellowish brown (10YR 5/6) very gravelly silty clay loam; moderate very coarse prismatic structure; 1.0 very fine and fine roots; 3.0 fine and medium interstitial pores; 15 percent clay films and 60 percent silt coats; 20 percent distinct strong brown (7.5YR 5/6), moist, masses of oxidized iron and 40 percent prominent gray (2.5Y 6/1), moist, iron depletions; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.1, hellige-truog; clear smooth boundary. Lab sample # MU063416. Grey Seams along prism faces are about 5-6" apart.
    3Bt3—69 to 94 centimeters (27.2 to 37.0 inches); yellowish brown (10YR 5/8) very gravelly clay; moderate very fine angular blocky structure; 1.0 very fine and fine roots; 3.0 fine and medium interstitial pores; 60 percent clay films; 20 percent prominent gray (10YR 6/1), moist, iron depletions; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.1, hellige-truog; gradual smooth boundary. Lab sample # MU063417
    3Bt4—94 to 112 centimeters (37.0 to 44.1 inches); yellowish brown (10YR 5/4) extremely gravelly clay; strong very fine angular blocky structure; 1.0 very fine and fine roots; 1.0 fine and medium interstitial pores; 60 percent clay films; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 10 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; extremely acid, pH 4.2, hellige-truog; gradual smooth boundary. Lab sample # MU063418
    3Btg1—112 to 140 centimeters (44.1 to 55.1 inches); light gray (2.5Y 7/1) extremely gravelly clay loam; strong very fine angular blocky structure; 1.0 very fine and fine roots; 3.0 fine and medium interstitial pores; 15 percent prominent red (2.5YR 4/8), moist, masses of oxidized iron; 15 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 45 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; extremely acid, pH 4.2, hellige-truog; clear smooth boundary. Lab sample # MU063419
    3Btg2—140 to 196 centimeters (55.1 to 77.2 inches); light gray (2.5Y 7/1) gravelly clay; strong very fine angular blocky structure; 3.0 fine and medium interstitial pores; 25 percent prominent brownish yellow (10YR 6/8), moist, masses of oxidized iron; 15 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; extremely acid, pH 4.3, hellige-truog. Lab sample # MU063420