LOCATION RUMFORD VA+AL NCEstablished Series
TAXONOMIC CLASS: Coarse-loamy, siliceous, subactive, thermic Typic Hapludults
TYPICAL PEDON: Rumford sandy loam, in a cultivated area. (Colors are for moist soil.)
Ap--0 to 7 inches; dark brown (10YR 3/3) sandy loam; weak fine granular structure; very friable; common fine and medium roots; slightly acid; abrupt smooth boundary. (6 to 12 inches thick)
BA--7 to 15 inches; brown (7.5YR 5/4) sandy loam; weak medium subangular blocky structure; very friable; common fine and medium roots; slightly acid; gradual smooth boundary. (0 to 6 inches thick)
Bt--15 to 30 inches; strong brown (7.5YR 5/6) sandy loam; weak medium subangular blocky structure; friable; nonsticky, nonplastic; common fine and few medium roots; few faint clay films on faces of peds; moderately acid; clear wavy boundary. (10 to 30 inches thick)
BC--30 to 37 inches; strong brown (7.5YR 5/6) loamy sand; weak medium subangular blocky structure; very friable, nonsticky, nonplastic; common fine roots; sand grains are coated and bridged with clay; strongly acid; clear wavy boundary. (0 to 12 inches thick)
C1--37 to 43 inches; brownish yellow (10YR 6/6) sand; single grain; loose; few fine roots; strongly acid; clear smooth boundary. (0 to 10 inches thick)
C2--43 to 65 inches; stratified yellow (10YR 7/6) and very pale brown (10YR 8/2) sand; single grain; loose; few fine roots; 10 percent gravel; strongly acid.
TYPE LOCATION: King William County, Virginia; about 2,000 feet west of VA-632, and adjacent to Cohoke Mill Pond and a borrow pit.
RANGE IN CHARACTERISTICS:
Depth to Bedrock: Greater than 72 inches
Depth to Seasonal High Water Table: greater than 72 inches
Rock Fragment content: Quartz gravel make up 0 to 15 percent of the solum and 0 to 50 percent of the C horizon
Soil Reaction: A horizon ranges from extremely acid through strongly acid, the B horizon from extremely acid through moderately acid, and the C horizon from extremely acid through slightly acid, except where limed
RANGE OF INDIVIDUAL HORIZONS:
A or Ap horizon:
Color--hue of 10YR, value of 3 through 6, and chroma of 2 through 4
Texture (fine-earth fraction)-- loamy sand, loamy fine sand, sandy loam, or fine sandy loam
E horizon (if it occurs):
Color--hue of 10YR or 2.5Y, value of 4 through 7, and chroma of 3 or 4
Texture (fine-earth fraction)-- loamy sand, loamy fine sand, sandy loam, or fine sandy loam
AB or EB horizon (if it occurs):
Color--hue of 10YR or 2.5Y, value of 4 through 7, and chroma of 3 or 4.
Texture (fine-earth fraction)-- loamy sand, loamy fine sand, sandy loam or fine sandy loam
BA or BE horizon (if it occurs):
Color--hue of 5YR through 2.5Y, value or 4 or 5, and chroma of 4 through 8
Texture (fine-earth fraction)-- loamy sand, sandy loam, or fine sandy loam
Bt horizon:
Color--hue of 5YR through 2.5Y, value of 4 or 6, and chroma of 4 through 8Texture (fine-earth fraction)-- sandy loam, fine sandy loam, or sandy clay loam
Other feature-- particle-size control section averages less than 20 percent silt
COMPETING SERIES:
No known soils in the same family
GEOGRAPHIC SETTING:
Landscape: Coastal Plain
Landform: marine terrace
Geomorphic Component: tread
Parent Material: marine deposits
Elevation: 75 to 150 feet
Mean Annual Air Temperature: 57 to 62 degrees
Mean Annual Precipitation: 00 to 00 inches
Frost Free Period: 40 to 48 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Alaga soilsdo not have an argillic horizon
Bourne soilshave a fragipan
Emporia soils-- have a fine-loamy particle- size control section and a perched seasonal high water table at a depth of 36 to 52 inches below the surface
Kalmia soils-- have contrasting textures within the particle-size control section
Kempsville soils-- have a fine-loamy, particle-size control section
Kenansville soils-- have a sandy epipedon 20 to 40 inches thick
Nansemond soils-- have low chroma mottles within the top 24 inches of the argillic horizon and occur on lower landscape positions
Pactolus soils-- do not have an argillic horizon and are moderately well drained
Suffolk soils-- have a fine-loamy, particle-size control section
DRAINAGE AND PERMEABILITY:
Drainage class (Agricultural): well drained or somewhat excessively drained
Index Surface Runoff: very low to low
Internal Free Water Occurrence: very deep
Permeability: moderately rapid
USE AND VEGETATION:
Major Uses: cropland forestry
Dominant Vegetation: Where cultivated-- corn, soybeans, small grain, and hay. Where wooded-- loblolly pine, Virginia pine and hardwoods.
DISTRIBUTION AND EXTENT:
Distribution: Virginia, southern Maryland, North Carolina, and possibly South Carolina
Extent: moderate
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: Washington County, (Tidewater Research Station), North Carolina, 1957.
REMARKS:
Diagnostic horizons and soil characteristics recognized in this pedon are:
Ochric epipedon--the zone from 0 to 15 inches (Ap and BA horizon)
Argillic horizon--the zone from 15 to 30 inches (Bt horizons)
Series control section--the zone from 0 to 60 inches
ADDITIONAL DATA:
Data Map Unit ID (type location):
TABULAR SERIES DATA:
Soil Name Slope Airtemp FrFr/Seas Precip Elevation RUMFORD 0- 50 57- 62 190-210 40- 48 75- 150FloodL FloodH Watertable Kind Months Bedrock Hardness NONE 6.0-6.0 - 60-60
Depth Texture 3-Inch No-10 Clay% -CEC- 0-15 LFS LS 0- 0 85-100 2-12 - 0-15 FSL SL 0- 0 85-100 6-15 - 15-30 FSL SL SCL 0- 0 75-100 8-18 - 30-65 SR SL GR-S 0- 0 35-100 2-18 -
Depth -pH- O.M. Salin Permeab Shnk-Swll 0-15 3.6- 5.5 .5-1. 0- 0 6.0- 20 LOW 0-15 3.6- 5.5 .5-2. 0- 0 2.0- 6.0 LOW 15-30 3.6- 6.0 0.-.5 0- 0 2.0- 6.0 LOW 30-65 3.6- 6.5 0.-.5 0- 0 2.0- 20 LOW