USDA - Soil Conservation Service
Pedon Narrative Description
DATE Sampled: 08/26/1992

Soil Series: BIRDSALL

Map Unit Name: Birdsall silt loam, 0 to 3 percent slopes

Site Identification #: 92MA023009

Map Unit Symbol: 9A Note ID: Yield ID:

Laboratory Information

Lab Pedon #: S92MA02303 Source Lab Id: UMASS

PEDON NO. 2300901

Location Information

Soil Survey Area #: 023 MLRA: 144A

County FIPS Code:

County Name: Plymouth County, Massachusetts

Soil Survey Area Name: Plymouth County, Massachusetts

Location Description: Bridgewater Quadrangle, ton of Bridgewater, 400' east of Rt. 18/28, 200' north of powerline, 1200' north of intersection of the Taunton River with Rt. 18/128.

Quadrangle Name: Bridgewater Quadrangle

Latitude: 41 degrees 56 minutes 25.0 seconds N

Longitude: 70 degrees 57 minutes 55.0 seconds W

UTM Zone: UTM Easting: UTM Northing:

Photograph #: 143C

Description Category: Full pedon description

Pedon Category: Typical pedon for series

Slope Characteristics Information
Slope: 0 percent

Elevation: 25.0 feet

Local: Swamp
Major: Lake Plain *

Geographically Associated Soils: Raynham, Scio, Saco

micro depression
Elevation: 2.0 inches

Water Table Information
Water Table Depth: 8.0 inches

Ponding Information
Frequency: Frequent

Runoff: Very low

Type of Erosion: water erosion

Degree of Erosion: Class 1

Classification: ____ , ____ , ____ , ____ , ____ ____

Moisture Regime: Udic moisture regime

Landuse: Wetlands
Stoniness: 0.00 percent
Permeability: Very slow

Natural Drainage Class: VPD

Parent Material: Weathered lacustrine silts from mixed-igneous-metamorphic & sedimentary

Vegetative Information
Plant Name: R. Maple, Hi Bush Blueberry, Sweet Pepper Bush, Royal Fern, W. Pine.

Diagnostic Features: histic, 0.0 to 39.0 inches

Described by: Peter Fletcher, Jim Turenne, E. A. Wells, Richard Bonner, Nicky Shirt

Notes: Weather: Hazy, hot & humid 90 degrees F.; sampled by Judy Bartos, UMass, water table 20 cm; faint hydrogen sulfide odor; lab sample number S92MA02303.


Oi-- 1 to 0 inches; fibric material; abrupt smooth boundary.


Oe-- 0 to 4 inches; dark reddish brown (5YR 3/2) mucky peat; very friable; common very fine and fine roots and common medium and coarse; 3.8 Bromcresol green; abrupt smooth boundary.


Oa-- 4 to 9 inches; dark reddish brown (5YR 3/2) sapric material; massive; very friable, nonsticky and nonplastic; common very fine roots and common fine and medium; 3.8 Bromcresol green; clear wavy boundary.


A1-- 9 to 15 inches; black (10YR 2/1) mucky silt loam; few medium prominent grayish brown (2.5Y 5/2) and common medium distinct black (7.5YR 2/1) mottles; moderate medium granular structure; friable, nonsticky and nonplastic; common very fine roots and common fine; 3.8 Bromcresol green; abrupt wavy boundary.


A2--15 to 17 inches; very dark brown (10YR 2/2) fine sandy loam; few fine faint very dark grayish brown (10YR 3/2) mottles; massive; friable, nonsticky and nonplastic; common very fine roots; 4.2 Bromcresol green; abrupt wavy boundary.


Cg1--17 to 25 inches; grayish brown (2.5Y 5/2) silt loam; very dark gray (5YR 3/1) and dark grayish brown (10YR 4/2) mottles; massive; firm, nonsticky and nonplastic; common very fine roots; 4.6 Bromcresol green; gradual wavy boundary. Several large pockets - mucky SIL organic matter (dead root); dark organic staining on face3s of vertical crocks; ped face color of vertical crack; roots extend into Cg along vertical cracks.


Cg2--25 to 36 inches; olive gray (5Y 5/2) silty clay loam; few medium prominent yellowish brown (10YR 5/4) and few medium distinct greenish gray (5GY 6/1) mottles; massive; firm, slightly sticky and slightly plastic; 4.6 Bromcresol green; gradual wavy boundary.


Cg3--36 to 59 inches; gray (2.5Y 5/1) very fine sandy loam; few medium prominent strong brown (7.5YR 4/6) and few medium prominent olive yellow (2.5Y 6/6) mottles; massive; friable, nonsticky and nonplastic; abrupt wavy boundary.


Cg4--59 to 72 inches; gray (5Y 5/1) sand; single grain; loose.

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