IDENTIFIERS

Current Taxon Name (Soil Name): Tama

OSD

Series Extent

User Site ID: S1986IA005040

User Pedon ID: S1986IA005040

Vegetation Plot ID: S1986IA005040

User Site Association ID: Loamy-Silty Uplands (MN, IA, WI) DSP Project 2021-2024

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 87P0071

NCSS Pedon Lab Data NASIS Record ID - 59367

Print Date: 4/21/2025

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: 43.3327789

Std. Longitude: -91.4405594

Datum: WGS84

GPS - Positional Error: 10.00

Township: 98N

Range: 5W

Section: 4

PLSS Details: 2050 feet north and 1950 feet east of 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, Ronald Kuehl

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

Current Taxon Kind: series

Pedon Type: classifies to current taxon name, full description

Pedon Purpose: laboratory sampling site

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 40

Correlated Information:

Soil Name - Tama

PSC - 25 to 100 cm.

Classificaton Date - 7/11/2007

Classifier - Robert Vobora

Moisture Class - udic

Moisture Subclass - typic

Sampled As Information:

Soil Name - Tama

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

Taxon Kind - series

PSC - 25 to 100 cm.

Classificaton Date - 10/1/1986

Classifier - Robert Vobora

Moisture Class - udic

Moisture SUBClass - typic

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Pedon Vegetation and Crop Cover Information:

Agronomic Feature - close grown annual crop, or crop-fallow

Current Crop - alfalfa

Hydric: no

Certification Status: not certified

QC Status: not reviewed

QA Status: not reviewed

SITE

Parent Material: Peoria silty 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

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: 10/1/1986 (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 - hayland

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
MEDIC	Medicago	alfalfa	forb	100	overstory

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
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
17	—	—	339	—	90	899	—	155	8	22	-5	12	22	2	558	—	00134624	LANSING 4 SE, IA US	NOAA

A1—0 to 7 centimeters (0.0 to 2.8 inches); very dark brown (10YR 2/2) interior, dark grayish brown (10YR 4/2) interior, dry; silt loam; weak fine granular, and weak fine subangular blocky structure; friable; 5.5 medium roots throughout and 5.5 fine roots throughout; 0.5 fine tubular pores; fragments; neutral, pH 7.2, bromthymol blue; clear smooth boundary. Lab sample # 87P00399. many medium roots throughout; many fine roots throughout

A2—7 to 17 centimeters (2.8 to 6.7 inches); very dark brown (10YR 2/2) interior, dark grayish brown (10YR 4/2) interior, dry; silt loam; weak fine subangular blocky, and weak fine granular structure; friable; 5.5 medium roots throughout; 0.5 fine tubular pores; fragments; neutral, pH 6.8, bromthymol blue; clear smooth boundary. Lab sample # 87P00400. many medium roots throughout

A3—17 to 32 centimeters (6.7 to 12.6 inches); 85 percent dark brown (10YR 3/3) interior and 10 percent very dark grayish brown (10YR 3/2) interior and 5 percent very dark brown (10YR 2/2) interior, brown (10YR 5/3) interior, dry; silt loam; weak fine subangular blocky structure; friable; 2.5 very fine roots throughout; 0.5 fine tubular pores; fragments; neutral, pH 6.8, bromthymol blue; clear smooth boundary. Lab sample # 87P00401. common very fine roots throughout

BA—32 to 52 centimeters (12.6 to 20.5 inches); 85 percent brown (10YR 4/3) interior and 10 percent dark brown (10YR 3/3) interior and 5 percent very dark grayish brown (10YR 3/2) interior silt loam; weak medium subangular blocky, and weak fine subangular blocky structure; friable; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 fine tubular pores; fragments; neutral, pH 6.8, bromthymol blue; gradual smooth boundary. Lab sample # 87P00402. Gravel size particles (less than 1%).; few very fine roots throughout; few fine roots throughout

Bt1—52 to 77 centimeters (20.5 to 30.3 inches); 90 percent dark yellowish brown (10YR 4/4) interior and 10 percent dark brown (10YR 3/3) interior silty clay loam; weak medium subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent faint very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; fragments; neutral, pH 6.6, bromthymol blue; gradual smooth boundary. Lab sample # 87P00403. Chert fragments (less than 1%). Sandstone fragments (less than 1%).; few clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; discontinuous - phpvsfiid 1917284; discontinuous - phpvsfiid 1917284

Bt2—77 to 96 centimeters (30.3 to 37.8 inches); 90 percent yellowish brown (10YR 5/6) interior and 10 percent dark yellowish brown (10YR 4/4) interior silty clay loam; 1 percent grayish brown (10YR 5/2) fine faint mottles; weak medium subangular blocky, and weak medium prismatic structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 2 percent faint dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; fragments; neutral, pH 6.6, bromthymol blue; gradual smooth boundary. Lab sample # 87P00404. very few clay films surface features on faces of peds; few fine roots throughout; few fine faint 10YR52 mottles; patchy - phpvsfiid 1917285; patchy - phpvsfiid 1917285

Bt3—96 to 120 centimeters (37.8 to 47.2 inches); 90 percent yellowish brown (10YR 5/4) interior and 10 percent dark yellowish brown (10YR 4/4) interior silt loam; 1 percent grayish brown (10YR 5/2) fine faint mottles; weak coarse prismatic, and weak medium subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 2 percent faint dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; fragments; slightly acid, pH 6.4, bromthymol blue; gradual smooth boundary. Lab sample # 87P00405. very few clay films surface features on faces of peds; few fine roots throughout; few fine faint 10YR52 mottles; patchy - phpvsfiid 1917286; patchy - phpvsfiid 1917286

Bt4—120 to 160 centimeters (47.2 to 63.0 inches); yellowish brown (10YR 5/4) interior silt loam; 1 percent grayish brown (10YR 5/2) fine faint mottles; weak coarse prismatic, and weak medium subangular blocky structure; 0.5 fine roots throughout; 0.5 fine tubular pores; 37 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds; fragments; slightly acid, pH 6.4, bromthymol blue. Lab sample # 87P00406. common clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; few fine faint 10YR52 mottles; discontinuous - phpvsfiid 1917283; discontinuous - phpvsfiid 1917283