IDENTIFIERS

Current Taxon Name (Soil Name): CASPAR

OSD

Series Extent

User Site ID: S1980CA045012

User Pedon ID: S1980CA045012

Vegetation Plot ID: S1980CA045012

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 80P0443

NCSS Pedon Lab Data NASIS Record ID - 48219

Print Date: 4/28/2025

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: 39.4333344

Std. Longitude: -123.7591629

Datum: WGS84

Township: 18N

Range: 17W

Section: 9

PLSS Details: 100 feet S and 800 feet E of center

Location Description: Mendocino County, California. 3.2 miles from intersection of Cypress on Noyo River Road. E of feet Bragg on Loggi.

State: California

County: CA045—Mendocino

MLRA: 4B—Coastal Redwood Belt

Non-MLRA Soil Survey Area: CA694—Mendocino County, Western Part, California

PEDON

Current Taxonomic Class: Fine-loamy, mixed Typic Haplohumults

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 12

Correlated Information:

Soil Name - CASPAR

PSC - 25 to 75 cm.

Classificaton Date - 3/12/2002

Moisture Class - udic

Sampled As Information:

Soil Name - Caspar

Taxonomic Class - Fine-loamy, mixed, isomesic Typic Tropudult

Taxon Kind - series

Classificaton Date - 6/1/1980

Moisture Class - udic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: coastal plain

Landform: dune

Hill Slope Profile: summit

Slope Complexity: simple

Slope Shape Across: convex

Drainage Class: moderately well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/1/1980 (actual site observation date)

Surface Water Kind: none observed

Surface Cover Properties:

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 ALNUS GAYLU LIDE3 PSME RHODO SESE3 TSUGA	Abies grandis Alnus Gaylussacia Lithocarpus densiflorus Pseudotsuga menziesii Rhododendron Sequoia sempervirens Tsuga	grand fir alder huckleberry tanoak Douglas-fir rhododendron redwood hemlock	— — — — — — — —	— — — — — — — —	— — — — — — — —

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	—	—	112	—	315	1000	—	—	12	13	9	—	—	—	—	—	—	—	—

A21—0 to 5 centimeters (0.0 to 2.0 inches); very dark gray (10YR 3/1), light gray (10YR 7/1), dry; sandy loam; 13 percent clay; weak very fine granular structure; soft, friable, nonsticky, nonplastic; 3.0 very fine roots and 0.5 fine roots; 21.0 very fine interstitial and 21.0 fine interstitial pores; fragments; extremely acid, pH 4.2; clear wavy boundary. Lab sample # 80P02428

A22—5 to 15 centimeters (2.0 to 5.9 inches); brown (10YR 5/3), white (10YR 8/1), dry; sandy loam; 16 percent clay; massive; soft, friable, nonsticky, slightly plastic; 0.5 very fine roots and 3.0 fine roots; 21.0 very fine tubular and 21.0 very fine interstitial and 21.0 fine interstitial pores; fragments; very strongly acid, pH 4.5; abrupt wavy boundary. Lab sample # 80P02429

B&A—15 to 25 centimeters (5.9 to 9.8 inches); fragments. Lab sample # 80P02430

B11T—25 to 33 centimeters (9.8 to 13.0 inches); yellowish brown (10YR 5/6), very pale brown (10YR 7/3), dry; very gravelly sandy loam; 16 percent clay; weak fine angular blocky, and weak medium angular blocky structure; hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 fine roots; 3.0 very fine interstitial pores; 30 percent clay films on all faces of peds; 21 percent medium spherical ironstone nodules and 21 percent coarse spherical ironstone nodules; fragments; strongly acid, pH 5.5; abrupt wavy boundary. Lab sample # 80P02431

B12T—33 to 53 centimeters (13.0 to 20.9 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; sandy loam; 18 percent clay; single grain; loose, loose, slightly sticky, slightly plastic; 3.0 medium roots and 3.0 fine roots; 21.0 very fine interstitial and 21.0 fine interstitial pores; 3 percent medium ironstone nodules and 3 percent coarse ironstone nodules; fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # 80P02432

B21T—53 to 76 centimeters (20.9 to 29.9 inches); dark yellowish brown (10YR 4/4), yellow (10YR 7/6), dry; clay loam; 33 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 medium roots and 0.5 fine roots and 3.0 coarse roots; 3.0 very fine interstitial and 2.0 fine interstitial pores; 10 percent clay bridges between sand grains; 3 percent medium spherical ironstone nodules; fragments; very strongly acid, pH 4.8; clear wavy boundary. Lab sample # 80P02433

B22T—76 to 122 centimeters (29.9 to 48.0 inches); yellowish brown (10YR 5/6), brownish yellow (10YR 6/6), dry; clay; 43 percent clay; 1 percent yellowish brown (10YR 5/8) and 1 percent brownish yellow (10YR 6/8) coarse faint mottles; massive; very hard, very firm, moderately sticky, very plastic; 0.5 very fine roots and 0.5 fine roots; 0.5 very fine interstitial pores; 10 percent clay films on tops of soil columns; fragments; very strongly acid, pH 4.8; clear wavy boundary. Lab sample # 80P02434

B3T—122 to 155 centimeters (48.0 to 61.0 inches); sandy loam; 16 percent clay; 1 percent strong brown (7.5YR 5/6) and 21 percent strong brown (7.5YR 5/8) medium distinct mottles; massive; hard, firm, slightly sticky, slightly plastic; 3.0 very fine interstitial pores; 10 percent clay films on tops of soil columns; fragments; very strongly acid, pH 4.5. Lab sample # 80P02435

C—155 to 183 centimeters (61.0 to 72.0 inches); fragments. Lab sample # 80P02436