IDENTIFIERS

Current Taxon Name (Soil Name): Downs

User Site ID: S1986IA005041

User Pedon ID: S1986IA005041

User Site Association ID: MLRA 105 - Deep Loess Soils - Glaciated Uplands - FY21 ProjLoamy-Silty Uplands (MN, IA, WI) DSP Project 2021-2024

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 87P0072

NCSS Pedon Lab Data NASIS Record ID - 59368

Print Date: 11/12/2024

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: 43.3436127

Std. Longitude: -91.4308319

Datum: WGS84

GPS - Positional Error: 10.00

Township: 99N

Range: 5W

Section: 34

PLSS Details: 600 feet north and 200 feet east of the southwest corner

Country: US—United States

State: Iowa

County: IA005—Allamakee

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: IA005—Allamakee County, Iowa

PEDON

Describers Name: Robert Vobora

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: Converted from SSL-CMS data

Pedon #: 41

Correlated Information:

Soil Name - Downs

PSC - 57 to 107 cm.

Classificaton Date - 3/14/2022

Classifier - Shaunna Repking

Soil Taxonomic Edition - twelfth edition

Moisture Subclass - typic

Sampled As Information:

Soil Name - Tama

Taxonomic Class - Fine-silty, mixed, superactive, mesic Typic Argiudolls

Taxon Kind - series

PSC - 57 to 107 cm.

Classificaton Date - 10/1/1986

Classifier - Robert Vobora

Moisture Class - udic

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

Certification Status: not certified

QC Status: not reviewed

QA Status: not reviewed

SITE

Parent Material: mixed loess

Landscape: hills

Landform: upland slope

Geomorphic Component Hills: side slope

Hill Slope Profile: footslope

Slope Complexity: simple

Slope Shape Across: linear

Slope Shape Down: linear

Drainage Class: well

Surface Fragments:

Benchmark Soil?: yes

RaCA Information:

Plot/Site Set Up By - Unknown

Plot or Site Recorder - Unknown

VEGETATION

SITE OBSERVATION

Observation Date: 10/1/1986 (actual site observation date)

Data Collector: Robert Vobora

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon redox depletions with chroma 2 or less argillic horizon mollic epipedon	— — 0—0 0—0	—- —- —- —-

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
20	—	—	328	—	90	899	—	155	8	22	-5	12	22	2	558	—	00134624	LANSING 4 SE, IA US	NOAA

Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark brown (10YR 3/3) interior, grayish brown (10YR 5/2) interior, dry; silt loam; weak fine subangular blocky structure; friable; 0.5 medium roots throughout and 2.5 fine roots throughout; 55 percent distinct very dark grayish brown (10YR 3/2) organic stains on all faces of peds; fragments; neutral, pH 7.0, bromthymol blue; clear smooth boundary. Lab sample # 87P00407. 1% coarse fragments 3-8 cm diameter limestone and sandstone.; many organic coats surface features on vertical and horizontal faces of peds; common fine roots throughout; few medium roots throughout; continuous - phpvsfiid 1917291; continuous - phpvsfiid 1917291

AE1—13 to 34 centimeters (5.1 to 13.4 inches); dark brown (10YR 3/3) interior, grayish brown (10YR 5/2) interior, dry; silt loam; weak medium subangular blocky, and weak fine subangular blocky structure; friable; 2.5 very fine roots throughout; 55 percent distinct very dark grayish brown (10YR 3/2) organic stains on all faces of peds; fragments; neutral, pH 6.8, bromthymol blue; gradual smooth boundary. Lab sample # 87P00408. many organic coats surface features on vertical and horizontal faces of peds; common very fine roots throughout; continuous - phpvsfiid 1917292; continuous - phpvsfiid 1917292

AE2—34 to 57 centimeters (13.4 to 22.4 inches); dark brown (10YR 3/3) interior, grayish brown (10YR 5/2) interior, dry; silt loam; weak medium subangular blocky structure; friable; 0.5 very fine roots throughout; 55 percent distinct very dark grayish brown (10YR 3/2) organic stains on all faces of peds; fragments; slightly acid, pH 6.2, bromthymol blue; gradual smooth boundary. Lab sample # 87P00409. 1% coarse fragments 3-8 cm diameter limestone and sandstone.; many organic coats surface features on vertical and horizontal faces of peds; few very fine roots throughout; discontinuous - phpvsfiid 1917289; discontinuous - phpvsfiid 1917289

Bt1—57 to 92 centimeters (22.4 to 36.2 inches); 95 percent dark yellowish brown (10YR 4/4) interior and 5 percent dark brown (10YR 3/3) interior silty clay loam; weak medium prismatic, and weak medium subangular blocky structure; friable; 0.5 very fine roots throughout; 15 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; fragments; moderately acid, pH 6.0, bromthymol blue; gradual smooth boundary. Lab sample # 87P00410. few clay films surface features on vertical and horizontal faces of peds; few very fine roots throughout; discontinuous - phpvsfiid 1917290; discontinuous - phpvsfiid 1917290

Bt2—92 to 127 centimeters (36.2 to 50.0 inches); dark yellowish brown (10YR 4/4) interior silty clay loam; 1 percent light brownish gray (10YR 6/2) medium distinct and 1 percent strong brown (7.5YR 5/6) fine prominent mottles; weak medium subangular blocky, and weak coarse subangular blocky, and weak coarse prismatic structure; friable; 0.5 very fine roots throughout; 37 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.2, bromthymol blue; gradual smooth boundary. Lab sample # 87P00411. common clay films surface features on vertical and horizontal faces of peds; few very fine roots throughout; few medium distinct 10YR62 mottles; few fine prominent 7.5YR56 mottles; discontinuous - phpvsfiid 1917293; discontinuous - phpvsfiid 1917293

Bt3—127 to 140 centimeters (50.0 to 55.1 inches); dark yellowish brown (10YR 4/4) interior silt loam; 11 percent light brownish gray (2.5Y 6/2) fine distinct and 11 percent strong brown (7.5YR 5/6) fine distinct and 11 percent yellowish brown (10YR 5/6) fine distinct mottles; weak coarse prismatic structure; friable; 0.5 very fine roots throughout; 15 percent prominent black (10YR 2/1), moist, manganese or iron-manganese stains on all faces of peds and 37 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.2, bromthymol blue. Lab sample # 87P00412. common clay films surface features on vertical and horizontal faces of peds; few manganese or iron-manganese stains surface features on vertical and horizontal faces of peds; few very fine roots throughout; common fine distinct 2.5Y62 mottles; common fine distinct 7.5YR56 mottles; common fine distinct 10YR56 mottles; discontinuous - phpvsfiid 1917287; discontinuous - phpvsfiid 1917288; discontinuous - phpvsfiid 1917287; discontinuous - phpvsfiid 1917288