IDENTIFIERS

  • Current Taxon Name (Soil Name): Tomodo
  • OSD
  • Series Extent
  • User Site ID: 75-ALF-003
  • User Pedon ID: 75ID079001
  • Vegetation Plot ID: 75-ALF-003
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - UIdaho
  • Lab Pedon # - 75-ID-4087
  • NCSS Pedon Lab Data NASIS Record ID - 79996
  • 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: 46.9756000
  • Std. Longitude: -116.2563000
  • Datum: WGS84
  • Township: 42N
  • Range: 2E
  • Section: 19
  • PLSS Details: N 1/2
  • Location Description: two miles south of Clarkia, Idaho, on Catspur Road; Catspur, site no. 32
  • Country: US—United States
  • State: Idaho
  • County: ID079—Shoshone
  • MLRA: 43A—Northern Rocky Mountains
  • Regional Office: NW—Northwest
  • MLRA Soil Survey Area: NW-MOS—Moscow, Idaho
  • Non-MLRA Soil Survey Area: ID608—St. Joe Area, Idaho, Parts of Benewah and Shoshone Counties
  • 7.5 Minute USGS Quad: 46116-H3—Bechtel Butte, Idaho
  • PEDON

  • Describers Name: Harold Brown
  • Current Taxonomic Class: Fine-silty, mixed, superactive, frigid Andic Fragiudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: research site
  • Pedon Record Orgin: Pedon PC 6.1B
  • Correlated Information:
  • Soil Name - Tomodo
  • PSC - 25 to 42 cm.
  • Classificaton Date - 1/18/2018
  • Classifier - Brian Gardner
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Volcanic ash and loess over fine grained schists of the Wallace Formation
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainbase
  • Slope Position: upper third
  • Slope Complexity: simple
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

  • Other Vegetative Class: CN530 - western redcedar/queencup beadlily—Forest Habitat Types of Northern Idaho (GTR-INT-236)
  • SITE OBSERVATION

  • Observation Date: 6/1/1975 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    Oi

    Bw

    2E/2Btx

    2Btx/2E

    2Btx

    0

    4

    27

    42

    108

    4

    27

    42

    108

    161

    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    Oi

    Bw

    2E/2Btx

    2Btx/2E

    2Btx

    0

    4

    27

    42

    108

    4

    27

    42

    108

    161

    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    Oi

    Bw

    2E/2Btx

    2Btx/2E

    2Btx

    0

    4

    27

    42

    108

    4

    27

    42

    108

    161

    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PAMY

    THPL

    Paxistima myrsinites

    Thuja plicata

    Oregon boxleaf

    western redcedar

    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

    853

    914

    225

    940

    115

    7

    Oi—0 to 4 centimeters (0.0 to 1.6 inches); fragments; abrupt wavy boundary. Lab sample # ID40871
    Bw—4 to 27 centimeters (1.6 to 10.6 inches); brown (7.5YR 4/4), light brown (7.5YR 6/4), dry; silt loam; 18 percent sand; 68 percent silt; 14 percent clay; weak medium subangular blocky parts to weak fine granular structure; soft, friable, slightly sticky, slightly plastic; many (6.0) very fine roots throughout and common (4.0) medium roots throughout and many (6.0) fine roots throughout and common (4.0) coarse roots throughout; many (6.0) very fine tubular and many (6.0) very fine interstitial and few (0.5) medium tubular and few (0.5) medium interstitial and many (6.0) fine tubular and many (6.0) fine interstitial pores; fragments; clear wavy boundary. Lab sample # ID40872
    2E/2Btx—27 to 42 centimeters (10.6 to 16.5 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; silt loam; 27 percent sand; 54 percent silt; 19 percent clay; weak coarse subangular blocky, and weak very coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; common (4.0) very fine roots throughout and few (0.2) medium roots throughout and common (4.0) fine roots throughout; common (4.0) very fine tubular and common (4.0) fine tubular pores; 2 percent faint clay films on surfaces along pores; fragments; clear wavy boundary. Lab sample # ID40873
    2Btx/2E—42 to 108 centimeters (16.5 to 42.5 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; loam; 30 percent sand; 49 percent silt; 21 percent clay; moderate very coarse prismatic structure; slightly hard, firm, moderately sticky, moderately plastic; common (4.0) very fine roots between peds and common (4.0) fine roots between peds; many (6.0) very fine tubular and many (6.0) fine tubular pores; and 52 percent distinct clay films on all faces of peds and 52 percent distinct clay films on surfaces along pores and 52 percent distinct silt coats on all faces of peds and 52 percent distinct silt coats on surfaces along pores; fragments; gradual wavy boundary. Lab sample # ID40874
    2Btx—108 to 161 centimeters (42.5 to 63.4 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; sandy loam; 57 percent sand; 36 percent silt; 7 percent clay; strong very coarse prismatic structure; hard, very firm, very sticky, very plastic; few (0.5) very fine tubular and few (0.5) medium tubular and few (0.5) fine tubular pores; prominent silt coats on all faces of peds and 52 percent distinct clay films on all faces of peds and 52 percent distinct clay films on surfaces along pores; fragments. Lab sample # ID40875