IDENTIFIERS

Current Taxon Name (Soil Name): Downs

OSD

Series Extent

User Site ID: S1980IA055004

User Pedon ID: S1980IA055004

Vegetation Plot ID: S1980IA055004

User Site Association ID: MLRA 105 - Deep Loess Soils - Glaciated Uplands - FY21 Proj

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - ISU2015

Lab Pedon # - X28-162B-1

NCSS Pedon Lab Data NASIS Record ID - 75135

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: 42.6445793

Std. Longitude: -91.1978583

Datum: WGS84

GPS - Positional Error: 10.00

Township: 90N

Range: 3W

Section: 4

PLSS Details: 420 feet south and 1620 feet west of the northeast corner

Country: US—United States

State: Iowa

County: IA055—Delaware

MLRA: 105—Upper Mississippi River Bedrock Controlled Uplands and Valleys

Regional Office: NC—North Central

MLRA Soil Survey Area: NC-ONA—Onalaska, Wisconsin

Non-MLRA Soil Survey Area: IA055—Delaware County, Iowa

PEDON

Describers Name: Unknown

Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Mollic Hapludalfs

Current Taxon Kind: series

Pedon Type: not classified to current taxon name

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Pedon PC 6.0B

Correlated Information:

Soil Name - Downs

PSC - 33 to 83 cm.

Classificaton Date - 3/14/2022

Classifier - Shaunna Repking

Soil Taxonomic Edition - twelfth edition

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Downs

Taxonomic Class - Fine-silty, mixed, superactive, mesic Mollic Hapludalfs

Taxon Kind - series

PSC - 33 to 83 cm.

Classificaton Date - 6/2/1950

Classifier - Unknown

Moisture Class - udic

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Pedon Vegetation and Crop Cover Information:

Agronomic Feature - crop row on bed or ridge

Current Crop - corn

Hydric: no

Certification Status: not certified

QC Status: level 1

QA Status: not reviewed

SITE

Parent Material: Peoria silty loess

Landscape: upland

Landform: ridge

Hill Slope Profile: summit

Slope Complexity: simple

Drainage Class: well

Flooding: none flooding

Ponding: none ponding

Surface Fragments:

Benchmark Soil?: no

RaCA Information:

Plot/Site Set Up By - Unknown

Plot or Site Recorder - Unknown

VEGETATION

Vegplot Text Note(s): A scan of the original data (i.e. field sheet(s), edits, manuscripts, notes, and other associated data) is available in the scans archive.

SITE OBSERVATION

Observation Date: 6/2/1980 (actual site observation date)

Data Collector: Unknown

Surface Water Kind: none observed

Hydrology Status: unaltered

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Site Obs. Cover Kind 2 - row crop

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Extra Moisture Source: none

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ZEMA	Zea mays	corn	grass/grasslike	100	overstory

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon argillic horizon redox concentrations redox depletions with chroma 2 or less	— — — —	—- —- —- —-

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
5	—	—	—	—		899	—	155	8	22	-5	12	22	2	558	—	00132364	DUBUQUE LOCK AND DAM 11, IA US	NOAA

Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) and yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; friable; fragments; slightly acid, pH 6.4, unspecified; abrupt smooth boundary. Lab sample # ISU00911. 10YR5/4 mixings

EB—20 to 33 centimeters (7.9 to 13.0 inches); yellowish brown (10YR 5/4) silty clay loam; weak fine subangular blocky structure; friable; yellowish brown (10YR 5/4), moist, coats; fragments; moderately acid, pH 6.0, unspecified; clear smooth boundary. Lab sample # ISU00912

Bt1—33 to 51 centimeters (13.0 to 20.1 inches); yellowish brown (10YR 5/4) silty clay loam; moderate medium subangular blocky structure; friable; brown (10YR 4/3), moist, coats and clay films and light gray (10YR 7/1), dry, silt coats; fragments; strongly acid, pH 5.4, unspecified; clear smooth boundary. Lab sample # ISU00913. discontinuous - phpvsfiid 1260257; discontinuous - phpvsfiid 1260258; discontinuous - phpvsfiid 1260257; discontinuous - phpvsfiid 1260258

Bt2—51 to 71 centimeters (20.1 to 28.0 inches); yellowish brown (10YR 5/4) silt loam; moderate medium angular blocky structure; friable; brown (10YR 4/3), moist, coats and brown (7.5YR 4/4), moist, clay films and light gray (10YR 7/1), dry, silt coats; fragments; moderately acid, pH 5.6, unspecified; clear smooth boundary. Lab sample # ISU00914. discontinuous - phpvsfiid 1260260; discontinuous - phpvsfiid 1260261; discontinuous - phpvsfiid 1260260; discontinuous - phpvsfiid 1260261

BC—71 to 89 centimeters (28.0 to 35.0 inches); yellowish brown (10YR 5/4) silt loam; grayish brown (10YR 5/2) fine faint mottles; weak fine prismatic structure; friable; light gray (10YR 7/1), dry, silt coats; black (10YR 2/1), moist, masses of oxidized iron; fragments; moderately acid, pH 6.0, unspecified; gradual smooth boundary. Lab sample # ISU00916. discontinuous - phpvsfiid 1260262; discontinuous - phpvsfiid 1260262

C—89 to 152 centimeters (35.0 to 59.8 inches); yellowish brown (10YR 5/4) silt loam; grayish brown (10YR 5/2) fine faint and yellowish brown (10YR 5/6) fine faint mottles; massive; friable; black (10YR 2/1), moist, manganese masses; fragments; slightly acid, pH 6.2, unspecified. Lab sample # ISU00917