USDA - Soil Conservation Service
Pedon Narrative Description
DATE Sampled: 10/01/1992

Soil Series: BROCKTON

Map Unit Name: Brockton sandy loam, 0 to 3 percent slopes, extremely stony

Site Identification #: 92MA023010

Map Unit Symbol: 47A Note ID: Yield ID:

Laboratory Information

Lab Pedon #: 2304702 Source Lab Id:

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: 2,400 feet east of Franklin St., at a point approximately 0.6 miles south of the intersection of Franklin St. and South Ave. in the town of Hanson, MA.

Quadrangle Name:

Latitude: 42 degrees 4 minutes 39.0 seconds N

Longitude: 70 degrees 54 minutes 18.0 seconds W

UTM Zone: UTM Easting: UTM Northing:

Description Category: Full pedon description

Pedon Category: Outside range of series

Slope Characteristics Information
Slope: 2 percent
Aspect: 135 degrees
Horizontal Shape: Convex

Elevation: 125.0 feet

Physiography:
Local: Ground Moraine
Major: Glaciated Upland *

Geomorphic Position: ____ ,summit, of a nose slope

Microrelief:
micro depression
Elevation: 2.0 inches

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

Landuse: Forest land not grazed
Stoniness: 4.00 percent
Permeability: Very slow

Natural Drainage Class: VPD

Parent Material: Weathered glacial till from mixed-igneous-metamorphic & sedimentary

Vegetative Information
Plant Name: White Pine, Red Maple, White Oak, Spicebush, Sweet Pepperbush, Cinnamon Fern.

Described by: P. C. Fletcher and Dennis Dalto

Notes: Sunny - 55 degrees F.

NOTE: MAP UNIT CHANGED TO 47A BROCKTON SOIL

Oi-- 1 to 0 inches; fibric material; abrupt wavy boundary. Non-decomposed pine needles, leaves and twigs.

Oe-- 0 to 3 inches; dusky red (2.5YR 3/2) partially decomposed organic matter; very friable; common very fine and fine roots and common medium and coarse; abrupt wavy boundary.

Oa-- 3 to 7 inches; black (N 2/0) sapric material; massive; very friable, nonsticky and nonplastic; common very fine roots and common fine to coarse; 5.0; abrupt wavy boundary.

A-- 7 to 9 inches; very dark gray (N 3/0) silt loam; massive; friable, nonsticky and nonplastic; common very fine and fine roots; 5.0; abrupt wavy boundary.

Bg-- 9 to 15 inches; gray (10YR 5/1) gravelly sandy loam; common fine and medium faint dark gray (10YR 4/1) and few fine distinct dark yellowish brown (10YR 4/6) mottles; massive; friable, nonsticky and nonplastic; common very fine roots; 5.4; 25 percent subangular gravel and 10 percent subangular cobbles and 5 percent subangular stones; clear wavy boundary.

Cg--15 to 34 inches; grayish brown (10YR 5/2) very gravelly loamy coarse sand; few fine distinct dark yellowish brown (10YR 4/4) mottles; massive; very friable, nonsticky and nonplastic; 6.0; 35 percent subangular gravel and 10 percent subangular cobbles and 5 percent subangular stones; clear wavy boundary. Common, pockets and lenses of firm SL material.

C--34 to 40 inches; dark yellowish brown (10YR 4/4) gravelly loamy coarse sand; common fine and medium prominent yellowish red (5YR 4/6) mottles; massive; very friable, nonsticky and nonplastic; 6.4; 20 percent subangular gravel and 10 percent subangular cobbles; clear wavy boundary.

Cd--40 to 43 inches; yellowish brown (10YR 5/4) sandy loam; common fine and medium faint brown (10YR 5/3) and few fine prominent yellowish red (5YR 4/6) mottles; massive; friable; 6.6; 15 percent subangular gravel and 10 percent subangular cobbles. Unable to auger deeper because of stones and sloughing from sides of pit. Material felt firm while augering, unable to retrieve an intact sample due to water in the pit.