IDENTIFIERS

  • Current Taxon Name (Soil Name): Pegram
  • OSD
  • Series Extent
  • User Site ID: S1991ID007006
  • User Pedon ID: 91ID007006
  • Vegetation Plot ID: S1991ID007006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0133
  • NCSS Pedon Lab Data NASIS Record ID - 64372
  • 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: 42.1358337
  • Std. Longitude: -111.1500015
  • Datum: WGS84
  • Township: 15S
  • Range: 45E
  • Section: 12
  • PLSS Details: 1700 feet S of the NW corner
  • Location Description: Pegram area 450 feet E,
  • State: Idaho
  • County: ID007—Bear Lake
  • MLRA: 43—Northern Rocky Mountains
  • PEDON

  • Describers Name: Kathleen Mulholland
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Pegram
  • Taxonomic Class - Coarse-loamy, mixed Typic Calciaquolls
  • PSC - 25 to 100 cm.
  • Classificaton Date - 9/1/1991
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: river valley
  • Landform: abandoned channel
  • Slope Position: depression
  • Slope Shape Down: concave
  • Drainage Class: poorly
  • Flooding: frequent flooding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1991 (actual site observation date)
  • Microrelief Kind: microdepression
  • Microrelief Elevation: 35
  • Surface Cover Properties:
  • 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

    AGSP

    SALIX

    Agropyron spicatum

    Salix

    willow

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

    mollic epipedon

    calcic horizon

    0—30

    0—89

    —-

    —-

    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

    0

    1835

    270

    38

    Apk1—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) and very dark grayish brown (2.5Y 3/2), grayish brown (10YR 5/2), dry; silt loam; 11 percent brown (10YR 4/3) medium distinct mottles; moderate fine and medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 5.5 very fine and fine roots throughout; 2.5 very fine interstitial pores; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 92P00914; moist when described;. Structure is fine and medium granular. (Both sizes are present in place); many very fine and fine roots throughout; common medium distinct 10YR43 mottles; effervescence is continuous
    Apk2—8 to 23 centimeters (3.1 to 9.1 inches); very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2), gray (10YR 5/1) and grayish brown (10YR 5/2), dry; silty clay loam; 11 percent strong brown (7.5YR 4/6) fine prominent and 11 percent yellowish brown (10YR 5/6) medium prominent mottles; moderate medium subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 2.5 very fine and fine roots throughout and 0.5 medium roots throughout; 0.5 fine vesicular and 2.5 fine interstitial and tubular pores; fragments; strong effervescence, by hcl, unspecified; slightly alkaline, pH 7.4, hellige-truog; abrupt smooth boundary. Lab sample # 92P00915; moist when described;. High organic matter in horizon (1) may be masking clay; estimate may be low; few medium roots throughout; common very fine and fine roots throughout; common fine prominent 7.5YR46 mottles; common medium prominent 10YR56 mottles; effervescence is continuous
    Btk—23 to 30 centimeters (9.1 to 11.8 inches); very dark gray (10YR 3/1), grayish brown (10YR 5/2), dry; silty clay loam; 1 percent very dark gray (5Y 3/1) medium prominent and 11 percent yellowish brown (10YR 5/4) medium distinct mottles; moderate medium subangular blocky, and moderate fine subangular blocky structure; extremely hard, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout and 0.5 medium roots throughout; 0.5 fine vesicular and 2.5 fine interstitial and tubular pores; fragments; violent effervescence, by hcl, unspecified; neutral, pH 7.2, hellige-truog; clear wavy boundary. Lab sample # 92P00916; moist when described;. few medium roots throughout; common very fine and fine roots throughout; few medium prominent 5Y31 mottles; common medium distinct 10YR54 mottles; effervescence is continuous
    2Bkg1—30 to 61 centimeters (11.8 to 24.0 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; fine sandy loam; moderate coarse subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; 2.5 very fine and fine roots throughout and 0.5 medium roots throughout; 2.5 medium tubular and 2.5 fine and medium interstitial pores; 10 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.2, hellige-truog; clear wavy boundary. Lab sample # 92P00917; moist when described;. few medium roots throughout; common very fine and fine roots throughout; effervescence is continuous
    2Bkg2—61 to 89 centimeters (24.0 to 35.0 inches); grayish brown (10YR 5/2), very pale brown (10YR 7/3), dry; fine sandy loam; 11 percent strong brown (7.5YR 5/6) fine prominent and 11 percent yellowish brown (10YR 5/6) medium prominent mottles; massive; soft, friable, slightly sticky, slightly plastic; 2.5 very fine and fine roots throughout and 0.5 medium roots throughout; 2.5 fine and medium interstitial and 0.5 fine tubular pores; 11 percent fine spherical masses of dark accumulation; fragments; violent effervescence, by hcl, unspecified; slightly alkaline, pH 7.6, hellige-truog; clear smooth boundary. Lab sample # 92P00918; moist when described;. High OM content could mask higher clay percent; common fine soft dark masses concentrations; few medium roots throughout; common very fine and fine roots throughout; common fine prominent 7.5YR56 mottles; common medium prominent 10YR56 mottles; effervescence is continuous
    2Ckg—89 to 102 centimeters (35.0 to 40.2 inches); dark gray (10YR 4/1), light brownish gray (10YR 6/2), dry; loam; 11 percent brown (10YR 4/3) medium distinct mottles; massive; hard, very friable, slightly sticky, moderately plastic; 2.5 very fine and fine roots throughout and 0.5 medium roots throughout; 0.5 fine interstitial and tubular pores; fragments; violent effervescence, by hcl, unspecified; slightly alkaline, pH 7.4, hellige-truog; clear smooth boundary. Lab sample # 92P00919; wet when described;. few medium roots throughout; common very fine and fine roots throughout; common medium distinct 10YR43 mottles; effervescence is continuous
    3Ckg1—102 to 114 centimeters (40.2 to 44.9 inches); dark gray (10YR 4/1), gray (10YR 6/1), dry; sandy loam; single grain; loose, friable, nonsticky, nonplastic; 0.5 very fine roots throughout and 0.5 coarse roots throughout; 0.5 fine interstitial pores; 55 percent prominent , moist, clay films on faces of peds and in pores; fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog; clear smooth boundary. Lab sample # 92P00920; wet when described;. many clay films surface features on faces of peds and in pores; few coarse roots throughout; few very fine roots throughout; effervescence is continuous
    3Ckg2—114 to 147 centimeters (44.9 to 57.9 inches); dark gray (10YR 4/1), gray (10YR 6/1), dry; loam; massive; soft, friable, slightly sticky, nonplastic; 0.5 very fine roots throughout and 2.5 fine and medium roots throughout; 0.5 fine interstitial pores; fragments; violent effervescence, by hcl, unspecified; slightly alkaline, pH 7.8, hellige-truog; abrupt smooth boundary. Lab sample # 92P00921; wet when described;. few very fine roots throughout; common fine and medium roots throughout; effervescence is continuous
    4Ckg—147 to 155 centimeters (57.9 to 61.0 inches); 30 percent gray (10YR 5/1), 30 percent gray (10YR 6/1), dry; very gravelly loamy sand; single grain; loose, loose, nonsticky, nonplastic; 0.5 very fine and fine roots throughout and 0.5 medium roots throughout; 2.5 medium and coarse interstitial pores; 50 percent by volume 2-39-75 millimeter mixed fragments; violent effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 92P00922; wet when described;. few very fine and fine roots throughout; few medium roots throughout; effervescence is continuous