IDENTIFIERS
Current Taxon Name (Soil Name):
Chequest
OSD
Series Extent
User Site ID:
1971IA007002
User Pedon ID:
1971IA007002
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
40A1478
NCSS Pedon Lab Data NASIS Record ID -
35086
Print Date:
2/17/2025
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:
40.6930542
Std. Longitude:
-92.7533340
Datum:
WGS84
Township:
68N
Range:
17W
Section:
13
PLSS Details:
100 feet W and 50 feet N of the SE corner of the NE 1/4, NE 1/4
Map Unit:
587—Chequest silty clay loam, 0 to 2 percent slopes, occasionally flooded
State:
Iowa
County:
IA007—Appanoose
MLRA:
109—Iowa and Missouri Heavy Till Plain
Non-MLRA Soil Survey Area:
IA007—Appanoose County, Iowa
7.5 Minute USGS Quad:
40092-F7—Centerville East, Iowa
PEDON
Describers Name:
J.D. Highland and L.D. Lockridge
Current Taxonomic Class:
Fine, smectitic, mesic Typic Haplaquolls
Current Taxon Kind:
series
Pedon Type:
OSD pedon
Pedon Record Orgin:
Converted from PDP 3.x
Pedon #:
2
Correlated Information:
Soil Name -
Chequest
PSC -
25 to 100 cm.
Classificaton Date -
7/23/2007
Moisture Class -
aquic
Sampled As Information:
Soil Name -
Chequest
Classificaton Date -
10/1/1971
Dynamic Soil Properties:
Erosion Class -
0
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Slope Shape Down:
linear
Drainage Class:
poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
10/1/1971 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
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
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2) rubbed, gray (10YR 5/1), dry; silty clay loam; weak fine granular structure; firm; 3.0 roots; 10.0 pores; fragments; slightly acid, pH 6.3, unspecified; abrupt smooth boundary. Lab sample # 40A11498
A—18 to 30 centimeters (7.1 to 11.8 inches); very dark gray (10YR 3/1) and very dark gray (10YR 3/1) rubbed, dark gray (10YR 4/1), dry; silty clay loam; moderate very fine subangular blocky structure; firm; 10.0 roots; 10.0 pores; 15 percent dark reddish brown (5YR 3/3) oxide coats and 15 percent reddish brown (5YR 4/3) oxide coats; fragments; slightly acid, pH 6.1, unspecified; clear wavy boundary. Lab sample # 40A11499
Btg1—30 to 46 centimeters (11.8 to 18.1 inches); dark gray (10YR 4/1) and very dark gray (10YR 3/1) rubbed, gray (10YR 6/1), dry; silty clay loam; 10 percent dark brown (7.5YR 3/2) fine distinct mottles; moderate fine subangular blocky structure; firm; 3.0 fine roots; 3.0 fine pores; light gray (10YR 7/1), dry, silt coats on faces of peds; fragments; moderately acid, pH 5.8, unspecified; gradual wavy boundary. Lab sample # 40A11500. continuous - phpvsfiid 1372063; continuous - phpvsfiid 1372063
Btg2—46 to 69 centimeters (18.1 to 27.2 inches); dark gray (10YR 4/1), gray (10YR 6/1), dry; silty clay loam; 1 percent brown (7.5YR 5/2) fine and 25 percent brown (7.5YR 4/2) medium distinct mottles; moderate fine and medium subangular blocky structure; firm; 3.0 fine roots; 3.0 fine pores; 15 percent faint black (10YR 2/1) clay films and 15 percent reddish brown (5YR 5/3) oxide coats and 37 percent gray (10YR 6/1), dry, silt coats on faces of peds; fragments; moderately acid, pH 5.6, unspecified; gradual smooth boundary. Lab sample # 40A11501. few old channels 1-2 mm in diameter filled with light gray (10YR 7/1) silty material.; discontinuous - phpvsfiid 1372065; discontinuous - phpvsfiid 1372065
Btg3—69 to 89 centimeters (27.2 to 35.0 inches); dark gray (10YR 4/1) silty clay loam; 10 percent dark brown (7.5YR 3/2) fine distinct and 10 percent brown (7.5YR 4/2) fine distinct and 25 percent dark yellowish brown (10YR 4/4) fine distinct mottles; moderate fine prismatic parts to moderate fine and medium subangular blocky structure; firm; 3.0 fine roots; faint very dark gray (10YR 3/1) clay films and very dark gray (10YR 3/1) coats on faces of peds and 37 percent black (10YR 2/1) oxide coats and 37 percent gray (10YR 6/1), dry, silt coats on faces of peds; fragments; strongly acid, pH 5.3, unspecified; gradual smooth boundary. Lab sample # 40A11502. discontinuous - phpvsfiid 1372067; discontinuous - phpvsfiid 1372069; discontinuous - phpvsfiid 1372067; discontinuous - phpvsfiid 1372069
Btg4—89 to 109 centimeters (35.0 to 42.9 inches); dark gray (10YR 4/1) silty clay loam; 25 percent dark yellowish brown (10YR 4/4) medium distinct mottles; moderate fine prismatic parts to moderate fine angular blocky, and moderate fine subangular blocky structure; firm; 3.0 fine roots; very dark gray (10YR 3/1) coats on faces of peds and prominent black (10YR 2/1) clay films in root channels and/or pores and 15 percent reddish brown (5YR 4/3) oxide coats and 15 percent faint gray (10YR 6/1) silt coats on faces of peds and 37 percent black (10YR 2/1) oxide coats; fragments; strongly acid, pH 5.3, unspecified; gradual smooth boundary. Lab sample # 40A11503. discontinuous - phpvsfiid 1489274; discontinuous - phpvsfiid 1489275; discontinuous - phpvsfiid 1489274; discontinuous - phpvsfiid 1489275
Btg5—109 to 135 centimeters (42.9 to 53.1 inches); dark gray (10YR 4/1) silty clay loam; 10 percent brown (7.5YR 4/4) fine distinct and 10 percent brown (7.5YR 4/2) fine distinct mottles; weak medium prismatic parts to weak fine angular blocky, and weak fine subangular blocky structure; firm; very dark gray (10YR 3/1) coats on faces of peds and prominent black (10YR 2/1) clay films in root channels and/or pores and 15 percent faint gray (10YR 6/1), dry, silt coats on faces of peds and 15 percent reddish brown (5YR 4/3) oxide coats; fragments; moderately acid, pH 5.8, unspecified; gradual smooth boundary. Lab sample # 40A11504. discontinuous - phpvsfiid 1489277; discontinuous - phpvsfiid 1489278; discontinuous - phpvsfiid 1489277; discontinuous - phpvsfiid 1489278
Btg6—135 to 165 centimeters (53.1 to 65.0 inches); dark gray (10YR 4/1) silty clay loam; 10 percent reddish brown (5YR 4/4) fine distinct mottles; weak medium prismatic parts to weak medium subangular blocky structure; firm; prominent black (10YR 2/1) clay films in root channels and/or pores and 15 percent faint gray (10YR 6/1), dry, silt coats on faces of peds; fragments; moderately acid, pH 5.8, unspecified. Lab sample # 40A11505. discontinuous - phpvsfiid 1489280; discontinuous - phpvsfiid 1489281; discontinuous - phpvsfiid 1489280; discontinuous - phpvsfiid 1489281