IDENTIFIERS

Current Taxon Name (Soil Name): Strych

OSD

Series Extent

User Site ID: S1992UT037140B

User Pedon ID: 92UT037140B

Vegetation Plot ID: S1992UT037140B

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 92P1001

NCSS Pedon Lab Data NASIS Record ID - 65241

Print Date: 4/24/2025

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: 38.2070007

Std. Longitude: -109.6100006

Datum: WGS84

Location Description: Approximately 6 miles SE of Needles Overlook

State: Utah

County: UT037—San Juan

MLRA: 35—Colorado Plateau

Non-MLRA Soil Survey Area: UT633—Canyonlands Area, Utah - Parts of Grand and San Juan Counties

7.5 Minute USGS Quad: 38109-B5—Harts Point North, Utah

PEDON

Describers Name: RAF

Pedon Type: map unit inclusion

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 140

Sampled As Information:

Soil Name - Strych

Taxonomic Class - Loamy-skeletal, mixed Ustochreptic Calciorthids

PSC - 25 to 100 cm.

Classificaton Date - 8/3/1992

Moisture Class - aridic (torric)

Dynamic Soil Properties:

Erosion Class - 2

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: valley

Landform: alluvial fan

Hill Slope Profile: summit

Slope Shape Across: convex

Slope Shape Down: convex

Runoff: medium

Drainage Class: well

Flooding: rare flooding for very brief periods

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 8/3/1992 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - rangeland, grassland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

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			%	%	%	%	%	%		%	%	%	%	%			%	%
A A Bw Bw Bk1 Bk1 Bk2 Bk2 C C	0 0 4 4 15 15 35 35 101 101	— 4 — 15 — 35 — 101 — 150	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	30 — 25 — 25 — 25 — 30 —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —

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
A A Bw Bw Bk1 Bk1 Bk2 Bk2 C C	0 0 4 4 15 15 35 35 101 101	— 4 — 15 — 35 — 101 — 150	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —		— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —

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	%
A A Bw Bw Bk1 Bk1 Bk2 Bk2 C C	0 0 4 4 15 15 35 35 101 101	— 4 — 15 — 35 — 101 — 150	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— 7 — 7 — 7 — 7 — 7	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —	— — — — — — — — — —

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ACHY ATCO PLEUR12	Achnatherum hymenoides Atriplex confertifolia Pleuraphis	Indian ricegrass shadscale saltbush galleta grass	— — —	— — —	— — —

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon	0—4	—-

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	3	—	1484	—	345	203	—	—	12	—	—	12	—	—	—	—	—	—	—

A—0 to 4 centimeters (0.0 to 1.6 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; fine sandy loam; 72 percent sand; 20 percent silt; 8 percent clay; weak thick platy parts to moderate very fine and fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; slow permeability; 3.0 very fine and fine roots; 3.0 very fine and fine tubular and 21.0 very fine and fine vesicular and 3.0 medium vesicular pores; 1 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; strongly alkaline, pH 8.5, thymol-blue; abrupt smooth boundary. Lab sample # 92P06297

Bw—4 to 15 centimeters (1.6 to 5.9 inches); red (2.5YR 5/6), red (2.5YR 5/6), moist; fine sandy loam; 65 percent sand; 20 percent silt; 14 percent clay; moderate medium and coarse subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; slow permeability; 3.0 very fine and fine roots and 0.5 medium roots; 3.0 very fine and fine tubular and 0.5 medium tubular pores; 5 percent by volume 2-39-75 millimeter unspecified fragments and 5 percent by volume 75-162-250 millimeter unspecified fragments; strong effervescence; strongly alkaline, pH 8.5, thymol-blue; clear wavy boundary. Lab sample # 92P06298

Bk1—15 to 35 centimeters (5.9 to 13.8 inches); light red (2.5YR 6/8), red (2.5YR 5/6), moist; very gravelly sandy clay loam; 60 percent sand; 20 percent silt; 20 percent clay; moderate medium subangular blocky structure; hard, friable, moderately sticky, moderately plastic; slow permeability; 3.0 very fine and fine roots and 0.5 medium roots; 21.0 very fine tubular and 3.0 fine tubular pores; 21 percent fine carbonate threads around rock fragments; 5 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; strongly alkaline, pH 8.7, thymol-blue; clear wavy boundary.

Bk2—35 to 101 centimeters (13.8 to 39.8 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; very gravelly fine sandy loam; 63 percent sand; 25 percent silt; 12 percent clay; weak medium subangular blocky parts to weak very fine and fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; slow permeability; 0.5 very fine and fine roots; 21.0 very fine tubular and 3.0 fine tubular pores; 3 percent fine carbonate threads around rock fragments; 10 percent by volume 75-162-250 millimeter unspecified fragments and 45 percent by volume 2-39-75 millimeter unspecified fragments; violent effervescence; strongly alkaline, pH 8.5, thymol-blue; clear wavy boundary. partially augered layer

C—101 to 150 centimeters (39.8 to 59.1 inches); red (2.5YR 5/8), red (2.5YR 4/8), moist; fine sandy loam; 68 percent sand; 25 percent silt; 7 percent clay; massive; slightly hard, very friable, slightly sticky, nonplastic; slow permeability; 0.5 very fine and fine roots; 21.0 very fine tubular and 3.0 fine tubular pores; fragments; strong effervescence; moderately alkaline, pH 8.4, thymol-blue. augered layer