IDENTIFIERS

Current Taxon Name (Soil Name): Millstreet

OSD

Series Extent

User Site ID: 13CA600399

User Pedon ID: 13CA600399

Vegetation Plot ID: 13CA600399

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSSL

Lab Pedon # - 15N0556

NCSS Pedon Lab Data NASIS Record ID - 79667

Print Date: 6/2/2024

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: 40.5848957

Std. Longitude: -124.1428865

Datum: WGS84

Location Description: Property of Jim O'neill in Fortuna

Map Unit: 1009—Hydraquents-Wassents mucky silt loam, strongly saline, 0-3 percent slopes, very frequently flooded

Country: US—United States

State: California

County: CA023—Humboldt

MLRA: 4B—Coastal Redwood Belt

Regional Office: SW—Southwest

Non-MLRA Soil Survey Area: CA600—Humboldt County, Central Part, California

7.5 Minute USGS Quad: 40124-E2—Fortuna, California

PEDON

Describers Name: Jonathan Hooper

Current Taxonomic Class: Fine-silty, mixed, active, mesic Oxyaquic Palehumults

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: soil survey inventory

Pedon Record Orgin: NASIS

Pedon #: 399

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: alluvial plain

Landform: alluvial fan

Geomorphic Component Hills: side slope

Hill Slope Profile: backslope

Slope Position: middle third

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: medium

Drainage Class: moderately well

Flooding: rare flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 12/9/2013 (actual site observation date)

Data Collector: jwh

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - urban and built-up

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
2GP	—	Grass, perennial	—	—	—

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon	0—52 52—170	—52— —118—

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
0	—	—	20	—	330	1245	—	300	12	—	—	13	—	—	—	—	—	—	—

Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark gray (7.5YR 3/1) crushed, dark grayish brown (10YR 4/2) crushed, dry; silty clay loam; 28 percent clay; strong medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 very fine roots throughout; fragments; noneffervescent; moderately acid, pH 5.8; clear smooth boundary.; moist when described; observed in pit, small

A—13 to 42 centimeters (5.1 to 16.5 inches); very dark gray (10YR 3/1) crushed, dark grayish brown (10YR 4/2) crushed, dry; silt loam; 26 percent clay; weak medium subangular blocky parts to moderate medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout; 1.0 very fine tubular pores; fragments; noneffervescent; moderately acid, pH 5.8; abrupt smooth boundary.; moist when described; observed in pit, small

ABt—42 to 52 centimeters (16.5 to 20.5 inches); very dark grayish brown (10YR 3/2) crushed, brown (10YR 4/3) crushed, dry; silt loam; 26 percent clay; moderate fine granular structure; soft, friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout; fragments; noneffervescent; moderately acid, pH 5.6; abrupt smooth boundary.; moist when described; observed in auger, bucket

Bt1—52 to 85 centimeters (20.5 to 33.5 inches); yellowish brown (10YR 5/4) crushed, very pale brown (10YR 7/4) crushed, dry; silty clay; 40 percent clay; weak medium subangular blocky structure; very hard, firm, moderately sticky, very plastic; 10 percent faint clay bridges between sand grains; 10 percent fine distinct irregular brownish yellow (10YR 6/8), moist, iron-manganese masses in matrix; fragments; noneffervescent; moderately acid, pH 5.6; clear smooth boundary.; moist when described; observed in auger, bucket

Bt2—85 to 102 centimeters (33.5 to 40.2 inches); brownish yellow (10YR 6/6) crushed, very pale brown (10YR 7/4) crushed, dry; silty clay loam; 35 percent clay; weak medium subangular blocky structure; very hard, firm, moderately sticky, very plastic; 10 percent faint clay bridges between sand grains; 5 percent fine and 10 percent fine distinct irregular brownish yellow (10YR 6/8), moist, iron-manganese masses in matrix; fragments; noneffervescent; moderately acid, pH 5.6; clear smooth boundary.; moist when described; observed in auger, bucket

C1—102 to 130 centimeters (40.2 to 51.2 inches); brownish yellow (10YR 6/6) crushed, very pale brown (10YR 8/4) crushed, dry; silty clay; 40 percent clay; 10 percent dark yellowish brown (10YR 4/6) fine distinct irregular mottles; structureless massive; extremely hard, extremely firm, moderately sticky, very plastic; 5 percent fine distinct irregular iron depletions in matrix and 10 percent fine distinct irregular brownish yellow (10YR 6/6), moist, iron-manganese masses in matrix; fragments; noneffervescent; moderately acid, pH 5.6; clear smooth boundary.; moist when described; observed in auger, bucket

C2—130 to 170 centimeters (51.2 to 66.9 inches); brownish yellow (10YR 6/6) crushed, very pale brown (10YR 8/4) crushed, dry; silty clay; 45 percent clay; structureless massive; extremely hard, very firm, moderately sticky, very plastic; 5 percent fine distinct irregular light yellowish brown (10YR 6/4), moist, iron depletions in matrix and 20 percent fine distinct irregular brownish yellow (10YR 6/6), moist, iron-manganese masses in matrix; fragments; noneffervescent; moderately acid, pH 5.6.; moist when described; observed in auger, bucket