IDENTIFIERS

Current Taxon Name (Soil Name): Boulderjud

OSD

Series Extent

User Site ID: SNOTEL Site ID 1081

User Pedon ID: S06ID055005

Vegetation Plot ID: SNOTEL Site ID 1081

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 07N0030

NCSS Pedon Lab Data NASIS Record ID - 18737

Print Date: 3/2/2025

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: 47.8561516

Std. Longitude: -117.0354767

Datum: WGS84

Township: 52N

Range: 6W

Section: 13

State: Idaho

County: ID055—Kootenai

MLRA: 44—Northern Rocky Mountain Valleys

7.5 Minute USGS Quad: 47117-G1—Newman Lake, Washington

PEDON

Describers Name: Allyson Young

Current Taxonomic Class: Ashy over loamy-skeletal, amorphic over isotic, frigid Alfic Udivitrands

Current Taxon Kind: taxadjunct

Pedon Record Orgin: NASIS

Pedon #: 5

Sampled As Information:

Soil Name - Boulderjud

Taxonomic Class - Ashy over loamy-skeletal, amorphic over isotic, frigid Alfic Udivitrands

Classificaton Date - 9/25/2006

Moisture SUBClass - udic

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: Mt. Mazama volcanic ash and/or loess and/or granitic residuum

Landscape: mountains

Landform: ridge

Geomorphic Component Mountains: mountaintop

Hill Slope Profile: summit

Slope Complexity: complex

Slope Shape Across: convex

Slope Shape Down: linear

Runoff: medium

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/25/2006 ()

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

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
ABGR ACGL PICEA PYROL RIBES RUPA SASC THOC THPL VACCI ZINGI	Abies grandis Acer glabrum Picea Pyrola Ribes Rubus parviflorus Salix scouleriana Thalictrum occidentale Thuja plicata Vaccinium Zingiber	grand fir Rocky Mountain maple spruce wintergreen currant thimbleberry Scouler's willow western meadow-rue western redcedar blueberry ginger	— — — — — — — — — — —	— — — — — — — — — — —	— — — — — — — — — — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon ochric epipedon argillic horizon lamellae	3—15 15—38 49—93 49—189	—- —- —- —-

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	—	—	1292.4	—	90	—	—	—	—	—	—	—	—	—	—	—	1081	Ragged Mountain	SNOTEL

Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments; abrupt smooth boundary. Lab sample # 07N00151

A—3 to 15 centimeters (1.2 to 5.9 inches); dark brown (7.5YR 3/2), brown (10YR 4/3), dry; silt loam; 4 percent clay; moderate fine granular, and moderate medium granular structure; soft, very friable, nonsticky, nonplastic; 21.0 very fine roots and 21.0 medium roots and 21.0 fine roots and 1.0 coarse roots; 21.0 very fine and 21.0 fine pores; fragments; extremely acid, pH 4.4; abrupt wavy boundary. Lab sample # 07N00152

Bw—15 to 38 centimeters (5.9 to 15.0 inches); dark brown (7.5YR 3/4), yellowish brown (10YR 5/4), dry; silt loam; 6 percent clay; weak fine subangular blocky, and weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 21.0 very fine roots and 21.0 medium roots and 21.0 fine roots and 1.0 coarse roots; 21.0 very fine and 1.0 fine pores; fragments; moderately acid, pH 5.6; clear irregular boundary. Lab sample # 07N00153

E—38 to 49 centimeters (15.0 to 19.3 inches); yellowish brown (10YR 5/6), very pale brown (10YR 7/4), dry; silt loam; 5 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; soft, very friable, nonsticky, nonplastic; 21.0 very fine roots and 21.0 medium roots and 21.0 fine roots and 1.0 coarse roots; 3.0 very fine pores; 80 percent silt coats on all faces of peds; fragments; moderately acid, pH 6.0; abrupt wavy boundary. Lab sample # 07N00154. continuous - phpvsfiid 367133; continuous - phpvsfiid 367133

2Bt—49 to 79 centimeters (19.3 to 31.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; 10 percent clay; 2 percent very coarse platy and 4 percent coarse platy mottles; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 21.0 very fine roots and 21.0 medium roots and 21.0 fine roots and 1.0 coarse roots; 21.0 very fine and 3.0 fine pores; 8 percent faint clay films on all faces of peds; fragments; strongly acid, pH 5.1; clear wavy boundary. Lab sample # 07N00155. discontinuous - phpvsfiid 367134; discontinuous - phpvsfiid 367134

2Bt/C—79 to 93 centimeters (31.1 to 36.6 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; fine sandy loam; 13 percent clay; 3 percent very coarse platy mottles; weak fine subangular blocky, and weak medium subangular blocky structure; moderately hard, firm, slightly sticky, nonplastic; 3.0 very fine roots and 1.0 medium roots and 3.0 fine roots; 21.0 very fine and 1.0 fine pores; distinct clay bridges and 13 percent distinct clay films; fragments; extremely acid, pH 4.1; abrupt wavy boundary. Lab sample # 07N00156. discontinuous - phpvsfiid 367135; discontinuous - phpvsfiid 367136; discontinuous - phpvsfiid 367135; discontinuous - phpvsfiid 367136

2C1—93 to 117 centimeters (36.6 to 46.1 inches); grayish brown (2.5Y 5/2), light gray (2.5Y 7/1), dry; fine sandy loam; 4 percent clay; 5 percent very coarse platy mottles; weak very fine subangular blocky, and weak fine subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 3.0 very fine roots and 1.0 medium roots and 3.0 fine roots; 21.0 very fine pores; 5 percent prominent clay bridges; fragments; extremely acid, pH 4.1; clear wavy boundary. Lab sample # 07N00157. discontinuous - phpvsfiid 367137; discontinuous - phpvsfiid 367137

2C2—117 to 139 centimeters (46.1 to 54.7 inches); grayish brown (2.5Y 5/2), light brownish gray (2.5Y 6/2), dry; loamy fine sand; 3 percent clay; platy and 3 percent very coarse mottles; weak fine subangular blocky, and weak very fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 1.0 medium roots and 1.0 fine roots and 1.0 coarse roots; 21.0 very fine pores; 2 percent distinct clay bridges; fragments; extremely acid, pH 4.1; clear wavy boundary. Lab sample # 07N00158. discontinuous - phpvsfiid 367138; discontinuous - phpvsfiid 367138

2C3—139 to 160 centimeters (54.7 to 63.0 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; loamy coarse sand; 2 percent clay; 3 percent very coarse platy mottles; weak fine subangular blocky, and weak very fine subangular blocky structure; soft, very friable, nonsticky, nonplastic; 1.0 medium roots and 1.0 coarse roots; 21.0 very fine and 1.0 fine pores; 2 percent distinct clay bridges; fragments; extremely acid, pH 3.6; clear wavy boundary. Lab sample # 07N00159. discontinuous - phpvsfiid 367139; discontinuous - phpvsfiid 367139

2C4—160 to 189 centimeters (63.0 to 74.4 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; loamy coarse sand; 2 percent clay; 2 percent coarse platy mottles; massive; loose, loose, nonsticky, nonplastic; 1.0 medium roots and 1.0 fine roots; 1.0 very fine pores; 1 percent distinct clay bridges; fragments; extremely acid, pH 4.1. Lab sample # 07N00160. discontinuous - phpvsfiid 367140; discontinuous - phpvsfiid 367140