IDENTIFIERS

Current Taxon Name (Soil Name): Portneuf

OSD

Series Extent

User Site ID: S1957ID053001

User Pedon ID: S1957ID053001

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 40A1074

NCSS Pedon Lab Data NASIS Record ID - 34133

Print Date: 4/19/2025

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: 42.5758324

Std. Longitude: -113.9552765

Datum: WGS84

Township: 10S

Range: 21E

Section: 11

PLSS Details: Northeast corner of NW1/4 NE1/4

Location Description: Northside SCD. Jerome County, Idaho. , 0.25 mile west of highway 25 post 212; 70 feet south of center of blacktop and 99 feet east of electric line pole; 157 feet east of field line to the south; 4.9 mile east of Greenwood School; 8.8 Miles west and 2 mile south of Paul.

State: Idaho

County: ID053—Jerome

Non-MLRA Soil Survey Area: ID704—Jerome County and Part of Twin Falls County, Idaho

PEDON

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 1

Sampled As Information:

Soil Name - Portneuf

PSC - 10 to 20 cm.

Classificaton Date - 5/31/1957

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landform: ridge

Runoff: low

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 5/31/1957 (actual site observation date)

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

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
1	—	—	1295	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ao—0 to 1 centimeters (0.0 to 0.4 inches); fragments. Lab sample # 40A08086

Av—1 to 5 centimeters (0.4 to 2.0 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; platy parts to weak very thin platy parts to weak very fine granular structure; hard when dry, friable, slightly sticky, slightly plastic; 0.5 roots; fragments; noneffervescent; moderately alkaline, pH 8.0, cresol red; abrupt wavy boundary. Lab sample # 40A08087; dry when described;

C11—5 to 11 centimeters (2.0 to 4.3 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; weak and moderate thin platy parts to weak very fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 roots; fragments; noneffervescent; slightly alkaline, pH 7.8, cresol red; abrupt wavy boundary. Lab sample # 40A08088; moist when described;

C12—11 to 21 centimeters (4.3 to 8.3 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; weak coarse prismatic parts to weak fine and medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 3.0 very fine pores; clay films on vertical faces of peds; fragments; noneffervescent; slightly alkaline, pH 7.8, cresol red; clear wavy boundary. Lab sample # 40A08089; moist when described;. patchy - phpvsfiid 180462; patchy - phpvsfiid 180462

C13—21 to 29 centimeters (8.3 to 11.4 inches); dark brown (10YR 3/3), pale brown (10YR 6/3), dry; silt loam; weak medium subangular blocky structure; hard when dry, friable, moderately sticky, moderately plastic; 21.0 roots; 3.0 very fine pores; clay films on vertical faces of peds; fragments; noneffervescent; moderately alkaline, pH 7.9, cresol red; abrupt wavy boundary. Lab sample # 40A08090; moist when described;. patchy - phpvsfiid 180463; patchy - phpvsfiid 180463

Cca1—29 to 39 centimeters (11.4 to 15.4 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak fine subangular blocky structure; hard when dry, friable, slightly sticky, slightly plastic; 21.0 roots; fragments; strong effervescence; strongly alkaline, pH 8.5, thymol-blue; clear wavy boundary. Lab sample # 40A08091; moist when described;

Cca2—39 to 52 centimeters (15.4 to 20.5 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; silt loam; weak medium and coarse subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; 21.0 roots; fragments; strong effervescence; strongly alkaline, pH 8.5, thymol-blue; abrupt broken boundary. Lab sample # 40A08092; moist when described;

Ccam—52 to 57 centimeters (20.5 to 22.4 inches); brown (7.5YR 5/4) and light gray (10YR 7/2) and grayish brown (10YR 5/2), brown (7.5YR 5/4) and reddish brown (5YR 4/3), dry; silt loam; weak medium and coarse subangular blocky structure; extremely firm, weakly coherent; fragments; strong effervescence; strongly alkaline, pH 8.8, thymol-blue; abrupt broken boundary. Lab sample # 40A08093; dry when described;

Cca3—57 to 75 centimeters (22.4 to 29.5 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; silt loam; weak medium subangular blocky structure; very hard, very firm, slightly sticky, slightly plastic; 0.1 roots; fragments; strong effervescence; strongly alkaline, pH 9.0, thymol-blue; gradual wavy boundary. Lab sample # 40A08094; dry when described;

B3ca—75 to 92 centimeters (29.5 to 36.2 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; silt loam; weak coarse subangular blocky structure; very hard, very firm, slightly sticky, slightly plastic; 0.1 roots; fragments; strong effervescence; strongly alkaline, pH 8.8, thymol-blue; gradual wavy boundary. Lab sample # 40A08095; dry when described;

Cca5—92 to 120 centimeters (36.2 to 47.2 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; silt loam; weak coarse subangular blocky structure; hard when dry, firm, slightly sticky, slightly plastic; fragments; strong effervescence; strongly alkaline, pH 8.8, thymol-blue; gradual wavy boundary. Lab sample # 40A08096; dry when described;

C2—120 to 158 centimeters (47.2 to 62.2 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; silt loam; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; slight effervescence; strongly alkaline, pH 8.6, thymol-blue; gradual boundary. Lab sample # 40A08097; moist when described;

C31—158 to 194 centimeters (62.2 to 76.4 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; silt loam; massive; slightly hard, friable, slightly sticky, slightly plastic; fragments; slight effervescence; strongly alkaline, pH 8.5, thymol-blue; diffuse boundary. Lab sample # 40A08098; moist when described;

C32—194 to 237 centimeters (76.4 to 93.3 inches); dark grayish brown (10YR 4/2), light gray (10YR 7/2), dry; silt loam; massive; slightly hard, very friable, slightly sticky, slightly plastic; fragments; slight effervescence; moderately alkaline, pH 8.3, thymol-blue. Lab sample # 40A08099; moist when described;