IDENTIFIERS

  • Current Taxon Name (Soil Name): Rockhill
  • OSD
  • Series Extent
  • User Site ID: S1992MT089006
  • User Pedon ID: 92MT089006
  • Vegetation Plot ID: S1992MT089006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P1059
  • NCSS Pedon Lab Data NASIS Record ID - 65298
  • Print Date: 11/24/2024

    • 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: 47.7099991
  • Std. Longitude: -115.4375000
  • Datum: WGS84
  • Township: 23N
  • Range: 30W
  • Section: 34
  • PLSS Details: 200 feet E and 2500 feet S of NW corner
  • State: Montana
  • County: MT089—Sanders
  • MLRA: 44A—Northern Rocky Mountain Valleys
  • Non-MLRA Soil Survey Area: MT651—Sanders and Parts of Lincoln and Flathead Counties, Montana
  • 7.5 Minute USGS Quad: 47115-F4—Belknap, Montana

    • PEDON

  • Describers Name: Tom Weber
  • Current Taxonomic Class: Ashy-skeletal, mixed, frigid Lithic Udivitrands
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Rockhill
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/23/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Rockhill
  • Taxonomic Class - Loamy-skeletal, mixed, frigid Lithic Xerochrept
  • Taxon Kind - series
  • Classificaton Date - 8/22/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: valley
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/22/1991 (actual site observation date)
  • Air Photo ID: 32-A
  • 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

    PICO

    PIPO

    PSME

    Pinus contorta

    Pinus ponderosa

    Pseudotsuga menziesii

    lodgepole pine

    ponderosa pine

    Douglas-fir

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    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

    8

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    792

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    A—0 to 5 centimeters (0.0 to 2.0 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; gravelly loam; weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 5.0 very fine and fine roots and 1.0 medium roots; 20 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.6, hellige-truog; clear wavy boundary. Lab sample # 92P06687
    Bw—5 to 13 centimeters (2.0 to 5.1 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; very gravelly loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 5.0 fine and medium roots and 1.0 fine roots; 10 percent by volume 75-162-250 millimeter unspecified fragments and 30 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.6, hellige-truog; clear wavy boundary. Lab sample # 92P06688
    C—13 to 41 centimeters (5.1 to 16.1 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; extremely gravelly loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 5.0 fine and medium roots; 20 percent by volume 75-162-250 millimeter unspecified fragments and 50 percent by volume 2-39-75 millimeter unspecified fragments; neutral, pH 6.6, hellige-truog; abrupt wavy boundary. Lab sample # 92P06689
    Cr—41 to 152 centimeters (16.1 to 59.8 inches); fragments. fragments are colluvial, and are (sharp) angular.