IDENTIFIERS

Current Taxon Name (Soil Name): Porthill

OSD

Series Extent

User Site ID: S1997ID021008

User Pedon ID: 97ID021008

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 98P0038

NCSS Pedon Lab Data NASIS Record ID - 10311

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: 48.8115845

Std. Longitude: -116.3532257

Datum: WGS84

Township: 63N

Range: 1E

Section: 17

PLSS Details: 2525 feet SOUTH AND 200 feet WEST OF THE NORTHEAST CORNER

State: Idaho

County: ID021—Boundary

MLRA: 44—Northern Rocky Mountain Valleys

Non-MLRA Soil Survey Area: ID604—Bonner County Area, Idaho, Parts of Bonner and Boundary Counties

7.5 Minute USGS Quad: 48116-G3—Ritz, Idaho

PEDON

Describers Name: SB, CW

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 8

Sampled As Information:

Soil Name - Porthill

Taxonomic Class - Fine, mixed Typic Eutroboralfs

PSC - 20 to 70 cm.

Classificaton Date - 9/24/1997

Moisture Class - udic

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: valley

Landform: lake terrace

Slope Shape Across: linear

Slope Shape Down: convex

Runoff: medium

Drainage Class: moderately well

Flooding: none flooding

Ponding: none ponding

Wet Soil Moisture Duration: 110

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/24/1997 (actual site observation date)

Air Photo ID: 4-3

Plant Association Name: THPL/CLUN2

Surface Cover Properties:

Site Obs. Cover Kind 1 - tree cover

Site Obs. Cover Kind 2 - intermixed conifers and hardwoods

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon secondary carbonates	0—3 20—97 69—140	—- —- —-

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
4	411	106.7	686	—		762	—	—	7.2	17.8	-2.8	7.2	12.2	2.8	—	—	—	—	—

Oi—0 to 2 centimeters (0.0 to 0.8 inches); Error; fragments. Lab sample # 98P00250. NEEDLES, LEAVES, TWIGS, CONES, BARK

Oe—2 to 3 centimeters (0.8 to 1.2 inches); Error; fragments. Lab sample # 98P00251. MODERATELY DECOMPOSED ORGANIC MATTER

A—3 to 6 centimeters (1.2 to 2.4 inches); very dark gray (10YR 3/1) exterior, gray (10YR 5/1) exterior, dry; silt loam; weak very fine and fine granular structure; slightly hard, friable, noncoherent, slightly sticky, slightly plastic; deformable; low toughness; moderate permeability; 6.0 very fine roots throughout and 0.5 fine and medium roots throughout; 6.0 very fine moderate-continuity tubular and 0.5 fine moderate-continuity tubular pores; fragments; slightly acid, pH 6.4, hellige-truog; abrupt wavy boundary. Lab sample # 98P00252; moist when described;

BA—6 to 23 centimeters (2.4 to 9.1 inches); brown (10YR 4/3) exterior, pale brown (10YR 6/3) exterior, dry; silt loam; weak fine and medium subangular blocky structure; slightly hard, friable, noncoherent, slightly sticky, slightly plastic; deformable; low toughness; moderate permeability; 6.0 very fine roots throughout and 0.5 fine and medium roots throughout; 6.0 very fine moderate-continuity tubular and 0.5 fine moderate-continuity tubular pores; fragments; slightly acid, pH 6.4, hellige-truog; gradual wavy boundary. Lab sample # 98P00253; moist when described;

Bt1—23 to 33 centimeters (9.1 to 13.0 inches); brown (10YR 5/3) exterior, very pale brown (10YR 7/3) exterior, dry; silt loam; weak medium platy, and weak thick platy structure; slightly hard, friable, weak, noncoherent, slightly sticky, slightly plastic; deformable; low toughness; moderate permeability; 4.0 very fine roots throughout and 0.5 fine and medium roots throughout; 6.0 very fine moderate-continuity tubular and 0.5 fine moderate-continuity tubular pores; 10 percent faint clay films on faces of peds and in pores; 1 percent medium and coarse platy weakly coherent cemented yellowish brown (10YR 5/4) clay bodies throughout; fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 98P00254; moist when described;. discontinuous - phpvsfiid 183957; discontinuous - phpvsfiid 183957

Bt2—33 to 51 centimeters (13.0 to 20.1 inches); dark yellowish brown (10YR 4/4) exterior, yellowish brown (10YR 5/4) exterior, dry; silty clay loam; weak medium and coarse prismatic structure; hard, firm, noncoherent, moderately sticky, moderately plastic; semideformable; medium toughness; moderately slow permeability; 4.0 very fine roots throughout and 0.5 fine and medium roots throughout; 6.0 very fine moderate-continuity tubular and 0.5 fine moderate-continuity tubular pores; 40 percent distinct clay films on faces of peds and in pores and 55 percent prominent light gray (2.5Y 7/2), dry, silt coats on all faces of peds; 21 percent medium and coarse platy weakly coherent cemented yellowish brown (10YR 5/4) clay bodies throughout; fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 98P00255; moist when described;. discontinuous - phpvsfiid 183958; discontinuous - phpvsfiid 183959; discontinuous - phpvsfiid 183958; discontinuous - phpvsfiid 183959

Bt3—51 to 72 centimeters (20.1 to 28.3 inches); olive brown (2.5Y 4/4) exterior, light yellowish brown (2.5Y 6/4) exterior, dry; silty clay; weak medium and coarse prismatic structure; very hard, very firm, noncoherent, very sticky, very plastic; semideformable; high toughness; slow permeability; 4.0 very fine roots throughout and 0.5 fine and medium roots throughout; 6.0 very fine moderate-continuity tubular and 0.5 fine moderate-continuity tubular pores; distinct yellowish brown (10YR 5/4), dry, and 55 percent prominent yellowish brown (10YR 5/6), dry, clay films on faces of peds and in pores and 55 percent prominent light gray (2.5Y 7/2), dry, silt coats on all faces of peds; fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 98P00256; moist when described;. discontinuous - phpvsfiid 183960; discontinuous - phpvsfiid 183962; discontinuous - phpvsfiid 183960; discontinuous - phpvsfiid 183962

Btk—72 to 100 centimeters (28.3 to 39.4 inches); olive brown (2.5Y 4/3) exterior, light yellowish brown (2.5Y 6/3) exterior, dry; silty clay loam; weak medium platy, and thick platy structure; hard, firm, moderately strong, noncoherent, moderately sticky, moderately plastic; semideformable; medium toughness; slow permeability; 0.5 very fine and fine roots throughout; 0.5 very fine and fine moderate-continuity tubular pores; distinct yellowish brown (10YR 5/6), dry, and 30 percent prominent yellowish brown (10YR 5/4), dry, clay films on bottoms of plates; 10 percent fine and medium irregular noncoherent cemented lime masses throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 98P00257; moist when described;. EFFERVESCENCE CALCIUM CARBONATE; discontinuous - phpvsfiid 183963; discontinuous - phpvsfiid 183963

Bk1—100 to 127 centimeters (39.4 to 50.0 inches); dark grayish brown (2.5Y 4/2) exterior, light brownish gray (2.5Y 6/2) exterior, dry; silty clay loam; weak thick platy, and very thick platy structure; hard, firm, moderately strong, noncoherent, moderately sticky, moderately plastic; semideformable; medium toughness; slow permeability; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity tubular pores; 10 percent fine and medium irregular noncoherent cemented lime masses throughout and 5 percent medium and coarse irregular carbonate concretions throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 98P00258; moist when described;. EFFERVESCENCE CALCIUM CARBONATE

Bk2—127 to 143 centimeters (50.0 to 56.3 inches); 60 percent dark grayish brown (2.5Y 4/2) exterior, 60 percent light brownish gray (2.5Y 6/2) exterior and 40 percent light yellowish brown (2.5Y 6/3) exterior, dry; silty clay loam; weak medium platy, and thick platy structure; hard, firm, moderately strong, noncoherent, moderately sticky, moderately plastic; semideformable; medium toughness; slow permeability; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity tubular pores; 10 percent fine and medium irregular noncoherent cemented lime masses throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; abrupt smooth boundary. Lab sample # 98P00259; moist when described;. EFFERVESCENCE CALCIUM CARBONATE

C—143 to 160 centimeters (56.3 to 63.0 inches); dark grayish brown (2.5Y 4/2) exterior, light brownish gray (2.5Y 6/2) exterior, dry; silt loam; weak medium platy, and thick platy structure; hard, firm, moderate, noncoherent, slightly sticky, slightly plastic; semideformable; low toughness; slow permeability; 0.5 very fine roots throughout; 0.5 very fine moderate-continuity tubular pores; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 98P00260; moist when described;. EFFERVESCENCE CALCIUM CARBONATE; LIME IS SISSEMINATED