IDENTIFIERS

Current Taxon Name (Soil Name): Santa

OSD

Series Extent

User Site ID: 77-KWH-001

User Pedon ID: 77ID057001

Lab Information:

Certified Lab Pedon Description - yes

Lab Source ID - UIdaho

Lab Pedon # - 77-ID-2982

NCSS Pedon Lab Data NASIS Record ID - 80085

Print Date: 11/12/2024

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: 46.8302778

Std. Longitude: -116.6097778

Datum: WGS84

Township: 40N

Range: 2W

Section: 5

PLSS Details: 445m west and 5 m north of the SE corner

Map Unit: Sa1—Santa ashy silt loam, 2 to 8 percent slopes

Country: US—United States

State: Idaho

County: ID057—Latah

MLRA: 43A—Northern Rocky Mountains

Non-MLRA Soil Survey Area: ID057—Latah County, Idaho

7.5 Minute USGS Quad: 46116-G5—Deary, Idaho

PEDON

Describers Name: Karl W. Hipple

Current Taxonomic Class: Fine-silty, mixed, active, frigid Vitrandic Haploxeralfs

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Santa

PSC - 74 to 102 cm.

Classificaton Date - 4/18/2014

Classifier - Brian Gardner

Soil Taxonomic Edition - eleventh edition

Moisture Class - xeric

Moisture Subclass - oxyaquic

Sampled As Information:

Soil Name - Santa

Classificaton Date - 7/22/1977

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: volcanic ash and loess over silty alluvium

Landscape: foothills

Landform: hill

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Position: upper third

Slope Complexity: simple

Slope Shape Across: convex

Slope Shape Down: convex

Drainage Class: moderately well

Flooding: none flooding

Ponding: none ponding

Geology: Latah Formation formation of the Miocene Sediments group.

Surface Fragments:

Benchmark Soil?: yes

VEGETATION

SITE OBSERVATION

Observation Date: 7/22/1977 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - pastureland, tame

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
fragipan	—	137 - 168	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon cambic horizon fragic soil properties argillic horizon fragipan	0—23 23—74 74—168 74—168 137—168	—- —- —- —- —-

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
7	—	—	860	—	270	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 5/3), brown (10YR 4/3), moist; ashy silt loam; 10 percent sand; 73 percent silt; 17 percent clay; weak thin platy parts to weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine irregular and 3.0 fine irregular pores; fragments; moderately acid, pH 6.0, pH meter; abrupt smooth boundary. Lab sample # ID29821; observed in pit, small

A—13 to 23 centimeters (5.1 to 9.1 inches); very pale brown (10YR 7/4), brown (10YR 5/3), moist; ashy silt loam; 8 percent sand; 74 percent silt; 18 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; moderately acid, pH 5.8, pH meter; clear smooth boundary. Lab sample # ID29822; observed in pit, small

Bw—23 to 53 centimeters (9.1 to 20.9 inches); light yellowish brown (10YR 6/4), dark yellowish brown (10YR 4/4), moist; silt loam; 8 percent sand; 74 percent silt; 18 percent clay; moderate medium prismatic parts to moderate medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 very fine roots throughout and 4.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; moderately acid, pH 5.7, pH meter; clear wavy boundary. Lab sample # ID29823; observed in pit, small

E1—53 to 66 centimeters (20.9 to 26.0 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4), moist; silt loam; 7 percent sand; 77 percent silt; 16 percent clay; weak medium prismatic parts to weak medium subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 very fine roots throughout and 4.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 20 percent fine spherical iron-manganese concretions in matrix; fragments; moderately acid, pH 5.6, pH meter; clear wavy boundary. Lab sample # ID29824; observed in pit, small

E2—66 to 74 centimeters (26.0 to 29.1 inches); very pale brown (10YR 7/4), light yellowish brown (10YR 6/4), moist; silt loam; 8 percent sand; 79 percent silt; 13 percent clay; weak coarse subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.8 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 10 percent fine spherical iron-manganese concretions in matrix and 10 percent medium spherical iron-manganese concretions in matrix; fragments; strongly acid, pH 5.5, pH meter; abrupt wavy boundary. Lab sample # ID29825; observed in pit, small

Btxb1—74 to 102 centimeters (29.1 to 40.2 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; silty clay loam; 7 percent sand; 65 percent silt; 28 percent clay; moderate medium prismatic parts to strong coarse angular blocky, and moderate medium prismatic parts to strong medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; brittle; 5.0 fine roots between peds; 6.0 fine tubular pores; 10 percent silt coats on top faces of peds and 20 percent organic stains on all faces of peds and 50 percent reddish brown (5YR 4/4) clay films on all faces of peds; 10 percent medium spherical iron-manganese concretions in matrix and 10 percent fine spherical iron-manganese concretions in matrix; fragments; moderately acid, pH 5.9, pH meter; gradual wavy boundary. Lab sample # ID29826; observed in pit, small

Btxb2—102 to 137 centimeters (40.2 to 53.9 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; silty clay loam; 8 percent sand; 64 percent silt; 28 percent clay; moderate coarse prismatic parts to moderate coarse angular blocky, and moderate coarse prismatic parts to moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; brittle; 0.8 fine roots between peds; 3.0 very fine tubular and 3.0 fine tubular pores; 50 percent reddish brown (5YR 4/4) clay films on all faces of peds; 1 percent medium spherical iron-manganese concretions in matrix and 10 percent fine spherical iron-manganese concretions in matrix; fragments; moderately acid, pH 5.6, pH meter; gradual wavy boundary. Lab sample # ID29827; observed in pit, small

Btxb3—137 to 168 centimeters (53.9 to 66.1 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; silty clay loam; 6 percent sand; 66 percent silt; 28 percent clay; moderate very coarse prismatic parts to moderate coarse angular blocky, and moderate very coarse prismatic parts to moderate medium angular blocky structure; very hard, very firm, moderately sticky, moderately plastic; brittle; 0.5 fine roots between peds; 3.0 very fine tubular and 3.0 fine tubular pores; 50 percent reddish brown (5YR 4/4) clay films on all faces of peds; 1 percent medium spherical iron-manganese concretions in matrix and 10 percent fine spherical iron-manganese concretions in matrix; fragments; moderately acid, pH 5.9, pH meter. Lab sample # ID29828; observed in pit, small