USDA - Soil Conservation Service
Soil Series: STORM WASH GRAVEL (RECORRELATED TO BEACHES COBBLY)
Map Unit Name: Storm washed gravel
Site Identification #: 92MA023014
Map Unit Symbol: 703 Note ID: Yield ID:
Lab Pedon #:2370301 Source Lab Id:
Soil Survey Area #: 023 MLRA: 144A
County FIPS Code:
County Name: Plymouth County, Massachusetts
Soil Survey Area Name: Plymouth County, Massachusetts
Location Description: Duxbury quad.
Quadrangle Name: Duxbury Quad
Latitude: 42 degrees 1 minutes 4.0 seconds N
Longitude: 70 degrees 36 minutes 50.0 seconds W
UTM Zone: UTM Easting: UTM Northing:
Photograph #: 69-5B
Description Category: Full pedon description
Pedon Category: Modal pedon for map unit
Slope Characteristics Information
Elevation: 10.0 feet
Geographically Associated Soils: Hooksan, Duneland, Ipswich, Pawcatuck
Classification: ____ , ____ , ____ , ____ , ____ ____
Described by: Jim Turenne, Nicola Shirt, Richard Bonner
Notes: Surface is extremely cobbly/channery wave washed deposit, approx. 80-100% of surface (mapunit) is covered with wave ashed cobbles, up to 2 feet thick in areas; vegetation areas cover approx. 60% of mapunit; weather: sunny, dry, wind, 50 degrees F.; pit described to 80 cm, unable to dig deeper due to slumping.
C1-- 0 to 40 inches; white (2.5Y 8/1) extremely gravelly coarse sand; single grain; loose, nonsticky and nonplastic; 65 percent rounded mixed gravel and 10 percent rounded mixed cobbles; gradual wavy boundary. Dry's quickly; pit has excessively slumping side walls unable to dig > 80cm; shell fragments throughout profile; bag samples taken for extimates of rock fragments (cobble and channer %).
C2--40 to 80 inches; white (2.5Y 8/1) extremely gravelly coarse sand; nonsticky and nonplastic; 90 percent well rounded mixed gravel and 5 percent rounded cobbles. Layer is wet; pit has excessively slumping side walls; unable to dig > 80 cm; shell fragments throughout profile; clump of few coarse and medium roots, many very fine; in general few very fine roots on gravel & cobble fragments; bag samples taken for extimates of rock fragments (cobble and channer %).