IDENTIFIERS

  • Current Taxon Name (Soil Name): MOUNTAINBOY
  • OSD
  • Series Extent
  • User Site ID: S1982ID059003
  • User Pedon ID: 82ID059003
  • Vegetation Plot ID: S1982ID059003
  • User Site Association ID: ID703_DSM_pedonsID703_DSM_p3_pedons
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 82P0685
  • NCSS Pedon Lab Data NASIS Record ID - 51472
  • Print Date: 4/23/2025
  • 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: 44.3080559
  • Std. Longitude: -113.1016693
  • Datum: WGS84
  • Township: 12N
  • Range: 28E
  • Section: 5
  • PLSS Details: 1900 feet E and 50 feet S of the NW corner
  • State: Idaho
  • County: ID059—Lemhi
  • MLRA: 12—Lost River Valleys and Mountains
  • Non-MLRA Soil Survey Area: ID752—Custer-Lemhi Area, Idaho, Parts of Blaine, Custer, and Lemhi Counties
  • PEDON

  • Current Taxonomic Class: Loamy-skeletal, carbonatic, shallow Typic Duricryolls
  • Pedon Type: TUD pedon
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - MOUNTAINBOY
  • PSC - 25 to 100 cm.
  • Classificaton Date - 12/29/2005
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - Mountainboy
  • Taxonomic Class - Loamy-skeletal, carbonatic, shallow Duric Cryoboro
  • Taxon Kind - series
  • Classificaton Date - 5/13/1981
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: alluvium derived from limestone and/or alluvium derived from quartzite
  • Landform: fan terrace
  • Drainage Class: well
  • Surface Fragments: 10.00 percent 2- to 76-millimeter
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/13/1981 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    AGSP

    ARAR8

    PHLOX

    SEDUM

    Agropyron spicatum

    Artemisia arbuscula

    Phlox

    Sedum

    little sagebrush

    phlox

    stonecrop

    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

    2179

    68

    A—0 to 15 centimeters (0.0 to 5.9 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; gravelly silt loam; 10 percent clay; weak fine subangular blocky, and weak fine granular structure; soft, friable, slightly sticky, slightly plastic; 21.0 very fine and fine roots and 3.0 medium and coarse roots; 21.0 very fine and fine interstitial pores; carbonate coats on bottom of rock fragments; 20 percent by volume 2-?-76 millimeter unspecified fragments; strong effervescence; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # 82P03619
    AB—15 to 29 centimeters (5.9 to 11.4 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; gravelly silt loam; 10 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine and fine roots and 0.5 medium roots and 3.0 coarse roots; 21.0 very fine and fine interstitial pores; 25 percent by volume 2-?-76 millimeter unspecified fragments; strong effervescence; slightly alkaline, pH 7.6; clear wavy boundary. Lab sample # 82P03620
    Bkq—29 to 39 centimeters (11.4 to 15.4 inches); brown (10YR 5/3), light gray (10YR 7/2), dry; very gravelly silt loam; 10 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine and fine roots and 0.5 coarse roots; 3.0 very fine and fine interstitial pores; carbonate coats on bottom of rock fragments; 40 percent by volume 2-?-76 millimeter unspecified fragments; violent effervescence; slightly alkaline, pH 7.8; abrupt wavy boundary. Lab sample # 82P03621
    2Bkq—39 to 58 centimeters (15.4 to 22.8 inches); light yellowish brown (10YR 6/4), light gray (10YR 7/2), dry; extremely gravelly loamy coarse sand; massive; hard, firm, nonsticky, nonplastic; 3.0 very fine and fine interstitial pores; 60 percent by volume 2-?-76 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.4; gradual wavy boundary. Lab sample # 82P03622
    2Ckq—58 to 175 centimeters (22.8 to 68.9 inches); extremely gravelly loamy coarse sand; single grain; loose, loose by silica and carbonates, nonsticky, nonplastic; 21.0 fine and medium interstitial pores; carbonate coats on bottom of rock fragments; 5 percent by volume 600-?-? millimeter unspecified fragments and 15 percent by volume 250-?-600 millimeter unspecified fragments and 40 percent by volume 2-?-76 millimeter unspecified fragments and 40 percent by volume 76-?-250 millimeter unspecified fragments; violent effervescence; moderately alkaline, pH 8.4. Lab sample # 82P03623