IDENTIFIERS

  • Current Taxon Name (Soil Name): Richfield
  • OSD
  • Series Extent
  • User Site ID: S1958CO099006
  • User Pedon ID: S1958CO099006
  • User Site Association ID: mlra72-1761mlra72-SDJR comp peds
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3913
  • NCSS Pedon Lab Data NASIS Record ID - 39559
  • Print Date: 5/19/2024

    • 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: 37.7314472
  • Std. Longitude: -102.1675139
  • Datum: WGS84
  • Township: 26S
  • Range: 42W
  • Section: 32
  • PLSS Details: 700 feet west and 90 feet north of the southeast corner
  • Map Unit: RmA—Richfield silt loam, 0 to 1 percent slopes
  • State: Colorado
  • County: CO099—Prowers
  • MLRA: 72—Central High Tableland
  • Non-MLRA Soil Survey Area: CO099—Prowers County, Colorado
  • 7.5 Minute USGS Quad: 37102-F2—Webb, Colorado

    • PEDON

  • Describers Name: E. Milton Payne
  • Current Taxonomic Class: Fine, smectitic, mesic Aridic Argiustolls
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Richfield
  • PSC - 18 to 46 cm.
  • Classificaton Date - 4/29/2013
  • Classifier - Daniel Wood
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture Subclass - aridic (torric)
  • Sampled As Information:
  • Soil Name - Richfield
  • Taxonomic Class - Fine, montmorillonitic, mesic Aridic Argiustoll
  • Taxon Kind - series
  • Classificaton Date - 11/6/1958
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • QC Status: level 3
  • QA Status: level 3


    • SITE

  • Parent Material: loess
  • Landscape: tableland
  • Landform: plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: backslope
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: yes

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/6/1958 (actual site observation date)
  • Air Photo ID: 106
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: wind erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    secondary carbonates

    free carbonates

    0—46

    18—46

    46—107

    46—335

    —46—

    —28—

    —61—

    —289—
    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

    —

    —

    1162.5

    —

    90

    483

    —

    160

    12

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silt loam; 21 percent sand; 27 percent clay; weak fine granular structure; loose, very friable; moderate permeability; fragments; noneffervescent, by hcl, unspecified; abrupt smooth boundary. Lab sample # 40A29958
    AB—10 to 18 centimeters (3.9 to 7.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; 17 percent sand; 30 percent clay; moderate coarse platy structure; very hard, friable; moderately slow permeability; clay films on faces of peds; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 40A29959. continuous - phpvsfiid 810109; continuous - phpvsfiid 810109
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; 13 percent sand; 37 percent clay; moderate medium prismatic parts to strong fine angular blocky, and subangular blocky structure; very hard, firm; moderately slow permeability; clay films; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 40A29960. continuous - phpvsfiid 810110; continuous - phpvsfiid 810110
    Bt2—30 to 46 centimeters (11.8 to 18.1 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; silty clay loam; 11 percent sand; 36 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; very hard, firm; moderately slow permeability; clay films; fragments; noneffervescent, by hcl, unspecified; clear smooth boundary. Lab sample # 40A29961. continuous - phpvsfiid 810111; continuous - phpvsfiid 810111
    Bk1—46 to 66 centimeters (18.1 to 26.0 inches); light brownish gray (10YR 6/2), dark grayish brown (10YR 4/2), moist; silty clay loam; 7 percent sand; 34 percent clay; moderate medium prismatic parts to moderate fine subangular blocky structure; hard, firm; moderately slow permeability; clay films; fragments; slight effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 40A29962. patchy - phpvsfiid 810112; patchy - phpvsfiid 810112
    Bk2—66 to 86 centimeters (26.0 to 33.9 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; silty clay loam; 6 percent sand; 37 percent clay; weak coarse prismatic parts to weak coarse subangular blocky structure; hard, firm; moderately slow permeability; fragments; strong effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 40A29963
    Bk3—86 to 107 centimeters (33.9 to 42.1 inches); pale brown (10YR 6/3), grayish brown (10YR 5/2), moist; silty clay loam; 5 percent sand; 34 percent clay; weak coarse prismatic parts to moderate fine subangular blocky structure; hard, friable; moderately slow permeability; fragments; violent effervescence, by hcl, unspecified; clear smooth boundary. Lab sample # 40A29964
    C1—107 to 124 centimeters (42.1 to 48.8 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; silty clay loam; 5 percent sand; 32 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; hard, friable; moderately slow permeability; very dark grayish brown (10YR 3/2), moist,; fragments; violent effervescence, by hcl, unspecified. Lab sample # 40A29965
    C2—124 to 178 centimeters (48.8 to 70.1 inches); light gray (10YR 7/2), grayish brown (10YR 5/2), moist; silt loam; 7 percent sand; 26 percent clay; massive; slightly hard, very friable; moderate permeability; fragments; violent effervescence, by hcl, unspecified. Lab sample # 40A29966
    C3—178 to 229 centimeters (70.1 to 90.2 inches); very pale brown (10YR 7/3), brown (10YR 5/3), moist; silt loam; massive; slightly hard, friable; moderate permeability; fragments; violent effervescence, by hcl, unspecified. Lab sample # 40A29967
    2C1—229 to 279 centimeters (90.2 to 109.8 inches); pink (7.5YR 7/4), brown (7.5YR 5/4), moist; silt loam; massive; slightly hard, very friable; moderate permeability; fragments; violent effervescence, by hcl, unspecified. Lab sample # 40A29968
    2C2—279 to 335 centimeters (109.8 to 131.9 inches); pink (7.5YR 7/4), brown (7.5YR 4/3), moist; silt loam; massive; slightly hard, friable; moderate permeability; fragments; strong effervescence, by hcl, unspecified. Lab sample # 40A29969