LOCATION HOGHOLE MD
Established Series
EHE-SLD-DRPV/Rev.JWB-DAS
11/2015
HOGHOLE SERIES
MLRA(s): 149A (Northern Coastal Plain)
Depth Class: Very deep
Drainage Class (Agricultural): Excessively drained
Saturated Hydraulic Conductivity Class: High or very high
Permeability Class (obsolete): Rapid
Landscape: Coastal Plain, upland
Parent Material: Sandy and gravelly fluviomarine sediments
Slope: 0 to 40 percent
Mean Annual Air Temperature (type location): 13 degrees C. (56 degrees F.)
Mean Annual Precipitation (type location): 1067 mm (2 inches)
TAXONOMIC CLASS: Sandy-skeletal, siliceous, mesic Typic Udorthents
TYPICAL PEDON: Hoghole sand on a 6 percent slope in a wooded area at an elevation of 54 meters (175 feet). (Colors are for moist soil unless otherwise indicated.)
A--0 to 10 cm (0 to 4 inches); very dark grayish brown (10YR 3/2) loamy sand; grayish brown (10YR 5/2) dry; weak fine granular structure; loose; nonsticky, nonplastic; many very fine and fine roots throughout, and few medium and coarse roots throughout; 9 percent rounded quartzite gravel; extremely acid; clear wavy boundary. (3 to 25 cm thick)
Bw1--10 to 84 cm (4 to 33 inches); strong brown (7.5YR 4/6) very gravelly loamy sand; single grain; loose; nonsticky, nonplastic; few very fine, fine, medium and coarse roots throughout; 40 percent rounded quartzite gravels; extremely acid; clear wavy boundary.
Bw2--84 to 183 cm (33 to 72 inches); strong brown (7.5YR 5/8) extremely gravelly loamy sand; single grain; loose; nonsticky, nonplastic; few very fine, fine and medium roots throughout; 62 percent rounded quartzite gravels; extremely acid.
TYPE LOCATION: Charles County, Maryland; from the intersection of Billingsley Road and Saint Charles Parkway in Saint Charles, Maryland, 3700 feet South on Saint Charles Parkway; 1000 feet Southwest on dirt road to gas line right-of-way; 1290 feet South-Southeast on gas line right-of-way; 250 feet northeast into woods. USGS La Plata, MD topographic quadrangle; latitude 38 degrees 34 minutes 16.3 seconds N and longitude 76 degrees 55 minutes 20.1 seconds W, NAD 83.
RANGE IN CHARACTERISTICS:
Solum thickness: 25 (10 inches) to 183 cm (72 inches) or more
Depth to Bedrock: greater than 183 cm (72 inches)
Depth to Seasonal High Water Table: greater than 183 cm (72 inches), January to December
Depth to Lithologic Discontinuity: Some pedons have a lithologic discontinuity below 152 cm (60 inches) which consists of loamy material from older geologic formations
Rock Fragment content: 0 to 45 percent, by volume, in the A or Ap horizon; 0 to 90 percent in individual subsurface horizons. Some horizon below the A has more than 50 percent gravel, and the weighted average of the zone from 25 to 102 cm (10 to 40 inches) exceeds 35 percent gravel.
Soil Reaction: Very strongly acid to extremely acid, except where limed
Other features: Some pedons lack a Bw horizon based on color and have an A-C profile.
RANGE OF INDIVIDUAL HORIZONS:
A or Ap horizon:
Color--hue of 2.5YR to 2.5Y, value of 2 to 5 and chroma of 1 to 4.
Texture (fine-earth fraction)--sand, fine sand, or loamy sand
E or BE horizon (if it occurs):
Color--hue of 7.5YR or 10YR, value of 3 to 7, and chroma of 2 to 8.
Texture (fine-earth fraction)--sand, fine sand, or loamy sand
Bw horizon (if it occurs):
Color--hue of 7.5 YR to 10YR, value of 4 to 6 and chroma of 3 to 8.
Texture (fine-earth fraction)--coarse sand, sand, or loamy sand
BC horizon (if it occurs):
Color--hue of 7.5YR or 10YR, value of 4 to 7, and chroma of 3 to 8.
Texture (fine-earth fraction)--coarse sand, sand, fine sand, or loamy sand.
Other features--Clay depletions in shades of yellow, pale yellow, or pale olive may be present
C horizon (if it occurs):
Color--hue of 2.5YR to 10YR, value of 4 to 7, and chroma of 2 to 8, or is neutral.
Texture (fine-earth fraction)--coarse sand, sand, loamy coarse sand, or loamy sand. Thin discontinuous strata of loamier material are present in some pedons.
COMPETING SERIES:
Drall soils--formed in residuum or colluvium derived from acid sandstone or quartzite.
GEOGRAPHIC SETTING:
Landscape: Coastal Plain, upland
Landform: Flat, broad interstream divide, hillock, knoll, fluviomarine terrace, alluvial fan
Hillslope Profile Position: Summit, shoulder, backslope and footslope
Geomorphic Component: Interfluves and sideslopes
Parent Material: Sandy and gravelly fluviomarine sediments
Slope: 0 to 40 percent
Elevation: 3 to 67 meters (10 to 220 feet)
Frost-free period: 180 to 210 days
Mean Annual Air Temperature: 11 to 14 degrees C. (52 to 57 degrees F.)
Mean Annual Precipitation: 1016 to 1270 mm (40 to 50 inches)
GEOGRAPHICALLY ASSOCIATED SOILS:
Beltsville soils--moderately well drained with a seasonal high water table between 51 and 102 cm (20 and 40 inches) and have a fragipan; on summits of higher interfluves
Grosstown soils--have a loamy argillic horizon above an extremely gravelly subsoil
Marr soils--have trace to no gravel throughout; have dominantly fine and very fine sands in the sand fraction; on lower sideslopes
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage Class (Agricultural): Excessively drained
Internal Free Water Occurrence: Very deep and absent
Flooding Frequency and Duration Classes: None
Ponding Frequency and Duration Classes: None
Index Surface Runoff Class: Negligible, very low, or low
Saturated Hydraulic Conductivity Class: High or very high
Permeability Class (obsolete): Rapid
Shrink-swell Potential Class: Low
USE AND VEGETATION:
Major Uses: Most areas are wooded. Some areas are used for urban expansion or rural housing sites. A few areas are cleared and used for truck crops, pasture and hay.
Dominant Vegetation: Where cultivated--fescue, bermudagrass, orchardgrass, and vegetables. Where wooded--mixed oaks, beech, holly, Virginia pine, and shortleaf pine.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: RALEIGH, NORTH CAROLINA
Distribution: Coastal plain of southern Maryland; possibly New Jersey.
Extent: Not extensive, but locally significant.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Morgantown, West Virginia
SERIES ESTABLISHED: Charles County, Maryland, 2007.
REMARKS: Hoghole soils were previously mapped as Croom and Evesboro soils, and as undifferentiated gravelly units.
Diagnostic horizons and soil characteristics recognized in this pedon are:
Ochric epipedon--the zone from 0 to 10 cm (A horizon)
Other features identified with this pedon:
Series control section--the zone from 0 to 150 cm
ADDITIONAL DATA:. Reference particle-size data is available from the project soil survey staff.
OSD User Pedon ID: Hoghole-OSD
National Cooperative Soil Survey
U.S.A.